<section powered-by="xiumi.us" style="margin: 10px 0px; padding: 0px; color: rgb(51, 51, 51); white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px 5px 0px 20px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px 0px -20px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: left; transform: translate3d(-20px, 0px, 0px); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; width: 50px; height: 55px; vertical-align: top; overflow: hidden; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; vertical-align: middle; display: inline-block; line-height: 0; width: 50px; overflow-wrap: break-word !important;"><img data-ratio="1.0538117" src="//cdn-2c-02.industics.com/public/upload/image/20210809/1628475220902952.gif" data-type="gif" data-w="446" width="100%" style="margin: 0px; padding: 0px; max-width: 100%; height: auto !important; box-sizing: border-box; vertical-align: middle; overflow-wrap: break-word !important; visibility: visible !important; width: 50px !important;"/></section></section></section></section><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; border-width: 2px; border-radius: 0px; border-style: dashed; border-color: rgb(29, 29, 29) rgb(29, 29, 29) rgb(182, 182, 182) rgb(182, 182, 182); box-shadow: rgb(0, 0, 0) 0px 0px 0px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 5px 0px -5px; padding: 0px; max-width: 100%; box-sizing: border-box; transform: translate3d(5px, 0px, 0px); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 3px 15px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; border-width: 0px; border-radius: 0px; border-style: none; border-color: rgb(255, 255, 255); box-shadow: rgb(0, 0, 0) 0px 0px 0px; background-color: rgb(255, 202, 0); overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; transform: translate3d(1px, 0px, 0px); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: justify; color: rgb(0, 0, 0); font-size: 17px; overflow-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;">本周词汇概览<br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></strong></p></section></section></section></section></section></section></section></section><p></p><section powered-by="xiumi.us" style="margin: 10px 0px; padding: 0px; color: rgb(51, 51, 51); font-size: 17px; text-align: justify; white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; font-size: 16px; letter-spacing: 0.544px; max-width: 100%; box-sizing: border-box; height: 16px; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; height: 16px; width: 24px; float: left; border-top: 6px solid rgb(255, 202, 0); border-left: 6px solid rgb(255, 202, 0); border-right-color: rgb(255, 202, 0); border-bottom-color: rgb(255, 202, 0); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; height: 16px; width: 24px; float: right; border-top: 6px solid rgb(255, 202, 0); border-right: 6px solid rgb(255, 202, 0); border-bottom-color: rgb(255, 202, 0); border-left-color: rgb(255, 202, 0); overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px;"/></section></section><section style="margin: -13px 3px; padding: 12px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word; border-width: 1px; border-style: none solid; border-color: rgb(255, 111, 0) rgb(255, 202, 0); border-radius: 6px;"><section powered-by="xiumi.us" style="margin: 10px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: center; line-height: 1.8; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"><p data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" data-style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(0, 0, 0); font-size: medium; text-indent: 2em; overflow-wrap: break-word !important;" class="js_darkmode__419" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; letter-spacing: 0.544px; max-width: 100%; box-sizing: border-box; min-height: 1em; font-size: medium; text-align: left; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; letter-spacing: 0.544px; cursor: pointer; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; max-width: 100%; letter-spacing: 12px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">●</strong></strong>&nbsp;</strong><span style="margin: 0px; padding: 0px; max-width: 100%; cursor: pointer; font-size: 16px; letter-spacing: 0.544px;">309</span><span style="margin: 0px; padding: 0px; font-size: 16px; letter-spacing: 2px; text-indent: 30px;">：订购量</span></span><span style="margin: 0px; padding: 0px; font-family: &quot;思源黑体 CN Regular&quot;; font-size: 16px; letter-spacing: 2px; text-align: center;"></span></p><p data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" data-style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(0, 0, 0); font-size: medium; text-indent: 2em; overflow-wrap: break-word !important;" class="js_darkmode__419" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; letter-spacing: 0.544px; max-width: 100%; box-sizing: border-box; min-height: 1em; font-size: medium; text-align: left; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; background-color: rgb(252, 200, 0);"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 16px; letter-spacing: 2px; text-indent: 30px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; max-width: 100%; font-size: medium; text-indent: 32px; letter-spacing: 12px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">●</strong></strong>&nbsp;</strong></strong></strong><span style="margin: 0px; padding: 0px; max-width: 100%; text-indent: 32px; letter-spacing: 0.544px;">310</span><span style="margin: 0px; padding: 0px; max-width: 100%;">：</span></span><span style="margin: 0px; padding: 0px; font-family: &quot;思源黑体 CN Regular&quot;; font-size: 16px; letter-spacing: 2px; text-align: center;">经济订购批量</span></span></p><p data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" data-style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(0, 0, 0); font-size: medium; text-indent: 2em; overflow-wrap: break-word !important;" class="js_darkmode__419" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; letter-spacing: 0.544px; max-width: 100%; box-sizing: border-box; min-height: 1em; font-size: medium; text-align: left; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; font-size: 16px; letter-spacing: 2px; text-indent: 30px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; font-size: medium; text-indent: 32px; max-width: 100%; letter-spacing: 12px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">●</strong></strong>&nbsp;</strong><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; font-size: medium; text-indent: 32px; max-width: 100%; letter-spacing: 12px; box-sizing: border-box !important; overflow-wrap: break-word !important;"></strong></span><span style="margin: 0px; padding: 0px; font-size: 16px; max-width: 100%; letter-spacing: 0.544px; box-sizing: border-box !important; overflow-wrap: break-word !important;">311</span><span style="margin: 0px; padding: 0px; font-size: 16px; letter-spacing: 2px; text-indent: 30px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">：<span style="font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 2px; text-indent: 30px; background-color: rgb(255, 255, 255);">EOQ模型变形</span></span></p><p data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" data-style="max-width: 100%; box-sizing: border-box; min-height: 1em; color: rgb(0, 0, 0); font-size: medium; text-indent: 2em; overflow-wrap: break-word !important;" class="js_darkmode__419" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; letter-spacing: 0.544px; max-width: 100%; box-sizing: border-box; min-height: 1em; font-size: medium; text-align: left; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 16px; letter-spacing: 2px; text-indent: 30px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(163, 163, 163)" data-darkmode-original-color-16002497260202="rgb(0, 0, 0)" style="margin: 0px; padding: 0px; font-size: medium; text-indent: 32px; max-width: 100%; letter-spacing: 12px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong data-darkmode-color-16002497260202="rgb(0, 128, 255)" data-darkmode-original-color-16002497260202="rgb(0, 128, 255)" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">●</strong></strong>&nbsp;</strong></span><span style="margin: 0px; padding: 0px; font-size: 16px; max-width: 100%; letter-spacing: 0.544px; box-sizing: border-box !important; overflow-wrap: break-word !important;">312</span><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 16px; letter-spacing: 2px; text-indent: 30px; box-sizing: border-box !important; overflow-wrap: break-word !important;">：</span><span style="margin: 0px; padding: 0px; font-family: &quot;思源黑体 CN Regular&quot;; font-size: 16px; letter-spacing: 2px; text-align: center;">周期订购量</span></p></section></section></section><section style="margin: 0px; padding: 0px; font-size: 16px; letter-spacing: 0.544px; max-width: 100%; box-sizing: border-box; height: 16px; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; height: 16px; width: 24px; float: left; border-bottom: 6px solid rgb(255, 202, 0); border-left: 6px solid rgb(255, 202, 0); border-top-color: rgb(255, 202, 0); border-right-color: rgb(255, 202, 0); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; height: 16px; width: 24px; float: right; border-bottom: 6px solid rgb(255, 202, 0); border-right: 6px solid rgb(255, 202, 0); border-top-color: rgb(255, 202, 0); border-left-color: rgb(255, 202, 0); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section></section><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: justify; white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"/></p></section><section powered-by="xiumi.us" style="margin: 10px 0px; padding: 0px; color: rgb(51, 51, 51); font-size: 17px; white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px 5px 0px 20px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; border-width: 2px; border-radius: 0px; border-style: dashed; border-color: rgb(29, 29, 29) rgb(29, 29, 29) rgb(182, 182, 182) rgb(182, 182, 182); box-shadow: rgb(0, 0, 0) 0px 0px 0px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 5px 0px -5px; padding: 0px; max-width: 100%; box-sizing: border-box; transform: translate3d(5px, 0px, 0px); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 3px 15px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; border-width: 0px; border-radius: 0px; border-style: none; border-color: rgb(255, 255, 255); box-shadow: rgb(0, 0, 0) 0px 0px 0px; background-color: rgb(255, 202, 0); overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; transform: translate3d(1px, 0px, 0px); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: justify; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; text-align: left; text-indent: 32px; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">310</span><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; letter-spacing: 0.544px; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">『经济订购批量</span></strong></strong><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; letter-spacing: 0.544px; font-size: 18px; overflow-wrap: break-word !important;">』</strong></p></section></section></section></section></section></section></section></section><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: justify; white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><section style="margin: 15px 0px -15px; padding: 0px; max-width: 100%; box-sizing: border-box; align-items: center; display: flex; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; vertical-align: bottom; width: auto; flex: 1 0 1px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; align-items: center; display: flex; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; vertical-align: bottom; width: auto; flex: 1 1 auto; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; background-color: rgb(255, 202, 0); height: 1px; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; vertical-align: bottom; width: auto; flex: 0 0 auto; box-shadow: rgb(255, 202, 0) 0px 0px 0px; line-height: 0; letter-spacing: 0px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; width: 10px; height: 30px; vertical-align: top; overflow: hidden; border-width: 0px; box-shadow: rgb(255, 202, 0) 0px 0px 0px; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 10px 0px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; font-size: 0px; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; width: 10px; height: 10px; vertical-align: top; overflow: hidden; background-color: rgb(255, 202, 0); border-width: 5px; border-radius: 0px; border-style: solid; border-color: rgb(255, 202, 0); box-shadow: rgb(255, 255, 255) 1px 1px 0px inset; line-height: 0; letter-spacing: 0px; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></section></section></section></section></section></section></section></section><section style="margin: 0px; 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padding: 0px; color: rgb(51, 51, 51); font-size: 17px; white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; width: 677px; vertical-align: top; border-color: rgb(255, 211, 171) rgb(255, 202, 0) rgb(255, 202, 0); border-width: 1px; border-radius: 0px; border-style: none solid solid; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 20px 0px 13px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px 10px; max-width: 100%; box-sizing: border-box; color: rgb(240, 176, 121); line-height: 1.8; letter-spacing: 1.8px; overflow-wrap: break-word !important;"><p style="margin: 0cm 0cm 0.0001pt; padding: 0px; clear: both; max-width: 100%; min-height: 1em; letter-spacing: 1.8px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; text-align: justify; text-indent: 32.3pt; line-height: 25.5px; box-sizing: border-box !important; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></p><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">各位朋友大家好，欢迎来到Tonii老师精益讲堂，接下来Tonii老师将带领大家进入，“每天5分钟，精益伴你行”系列课程。</span></section><p style="margin-top: 0px; margin-bottom: 0.1px; padding: 0px; clear: both; max-width: 100%; min-height: 1em; letter-spacing: 1.8px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; text-align: justify; text-indent: 43px; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px;"/></p><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">今天我们来学习经济订购批量。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">经济订购批量（economic-order quantity, EOQ）建立在以下假设之上：</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">1）需求相对稳定且已知</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">2）物品以批量进行生产或采购，且不连续，</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">3）订单准备成本和库存持有成本稳定不变且为已知</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">4）补货能够立刻完成。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">这些假设通常对需求相对独立且大致相同的成品行之有效，不过很多情况下这些假设无效，EOQ概念也没有用处。比如，对订单生产型产品来计算EOQ就没有意义。因为这种情况下顾客指明订购量，产品的货架寿命短，或加工时间受到工具寿命和原材料批量的限制。在制定物料需求计划中经常使用逐批订购规则，但也会使用经济订购批量的一些变形规则。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">经济订购批量公式的推导</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">在假设条件下，库存中的物品数量以匀速减少，假如某物品的订购量是200单位，使用速度是每周100单位。下图是库存的变化情况：</span></section><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; text-align: center;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.4234375" data-s="300,640" src="//cdn-2c-02.industics.com/public/upload/image/20210809/1628475221331860.png" data-type="png" data-w="1280" style="margin: 0px; padding: 0px; max-width: 100%; height: auto !important; vertical-align: bottom;"/></p><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">纵轴表示现有库存为0时，库存立即到达，库存量立即增加了Q，即所订购的量。这是所有采购部件或制造部件都准确到达的情况，也就是所有部件同时到达了。</span><br style="margin: 0px; padding: 0px;"/></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">由以上可知：</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">平均批量库存=订购量÷2=200÷2=100单位。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">每年订购次数=年需求量÷订购量=（100×52）÷200=26次/年。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">相关的成本如下：</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">1）年下达订单成本</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">2）年持有库存成本</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">订购量增加，平均库存和年持有库存成本也增加，但年订购次数和订购成本下降，这有点像跷跷板，一边成本的减少，只能以另一边成本的增加为代价，诀窍是找到一个适当的订购量，使总持有库存成本和订购成本之和最小。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">假设</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">A=年使用量</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">S=单个订单的订购成本</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">i=年持有成本率，表示为小数或百分比</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">c=单位成本。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">Q =订购量</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">那么</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">年订购成本=订购次数×单个订单的订购成本= A÷Q×S</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">年持有成本=平均库存×单位年持有成本=平均库存×单位成本×持有成本=Q÷2×c×i</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; color: rgb(0, 0, 0); box-sizing: border-box !important; overflow-wrap: break-word !important;">总的年成本=年订购成本+年持有成本=A÷Q×S+Q÷2×c×i</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; min-height: 1em; letter-spacing: 0.544px; font-size: 16px; text-align: justify; line-height: 2; text-indent: 2em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px;"/></section><section style="margin: 0px; padding: 0px; max-width: 100%; letter-spacing: 1.8px; text-indent: 43px; line-height: 1.75em; text-align: justify; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; line-height: 25.5px; color: black; letter-spacing: 2px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box !important; overflow-wrap: break-word !important;">今天的课程就到这里，谢谢大家！</span><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></section></section></section></section></section><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); white-space: normal; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; line-height: 2; overflow-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 17px; box-sizing: border-box !important; overflow-wrap: break-word !important;">想听Tonii老师的课程？</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; 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