CAD中测量图形或是某一区域面积的快捷键是AA,但是这种测量方法并不适合任何情况。命令line,快捷键L,封闭所要测量的区域,命令boundary,快捷键BO。拾取点选择要测量的区域,所被选择区域会成为一个整体,命令list,快捷键LI,选择boundary命令所成的整体,就可以看到面积。
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