{"id":16434,"date":"2021-07-15T12:40:54","date_gmt":"2021-07-15T04:40:54","guid":{"rendered":"http:\/\/www.jdcui.com\/?p=16434"},"modified":"2026-02-14T18:46:07","modified_gmt":"2026-02-14T10:46:07","slug":"cad%e5%87%a0%e4%bd%95-%e7%94%a8cad%e6%b1%82%e4%bb%bb%e6%84%8f%e6%88%aa%e9%9d%a2%e7%9a%84%e5%87%a0%e4%bd%95%e5%b1%9e%e6%80%a7%e5%90%ab%e5%bc%80%e6%b4%9e-use-cad-to-calculate-sectional-properties","status":"publish","type":"post","link":"http:\/\/www.jdcui.com\/?p=16434","title":{"rendered":"\u7528CAD\u6c42\u4efb\u610f\u622a\u9762\u7684\u51e0\u4f55\u5c5e\u6027(\u542b\u5f00\u6d1e) [Use CAD to calculate sectional properties for 2D shapes (with hollow)]"},"content":{"rendered":"<p><span style=\"color: #ff00ff; background-color: #ccffcc;\"><strong>\u5b9e\u5e72\u3001\u79ef\u7d2f\u3001\u79ef\u7d2f\u3001\u601d\u8003\u3001\u521b\u65b0\u3002<\/strong><\/span><\/p>\n<hr \/>\n<p>\u5982\u9898\uff0c\u7528CAD\u6c42\u4efb\u610f\u622a\u9762\u7684\u51e0\u4f55\u5c5e\u6027(\u542b\u5f00\u6d1e) [Use CAD to calculate sectional properties for 2D shapes (with hollow)]\uff0c\u5177\u4f53\u8fc7\u7a0b\u8bb0\u5f55\u5982\u4e0b\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-16463 aligncenter\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2021\/07\/F1.png\" alt=\"\" width=\"565\" height=\"500\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-16464\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2021\/07\/F2.png\" alt=\"\" width=\"598\" height=\"510\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-16465\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2021\/07\/F3.png\" alt=\"\" width=\"608\" height=\"494\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-16466\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2021\/07\/F4.png\" alt=\"\" width=\"529\" height=\"450\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-16467\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2021\/07\/F5.png\" alt=\"\" width=\"880\" height=\"506\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2021\/07\/F5.png 880w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2021\/07\/F5-768x442.png 768w\" sizes=\"auto, (max-width: 880px) 100vw, 880px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-16468\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2021\/07\/F6.png\" alt=\"\" width=\"1068\" height=\"465\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2021\/07\/F6.png 1068w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2021\/07\/F6-768x334.png 768w\" sizes=\"auto, (max-width: 1068px) 100vw, 1068px\" \/><\/p>\n<hr \/>\n<p style=\"text-align: center;\"><strong><div  class=\"thumbs-rating-container\" id=\"thumbs-rating-16434\" data-content-id=\"16434\"><button class=\"thumbs-rating-up thumbs-rating-voted\" 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