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3.12 思考与练习
1.概念题
(1)使用【直线】命令可以绘制哪几种类型的直线?
(2)绘制矩形的方法有几种?
(3)绘制正多边形的方法有几种?
(4)【孔/轴】命令中,轴方式与孔方式有何区别?
2.操作题
(1)绘制图3-80中的图形,不标注尺寸。
![](https://epubservercos.yuewen.com/A91ADE/16948916305057906/epubprivate/OEBPS/Images/figer332.jpg?sign=1739430228-emruD3es4AYaFJL5IFNfv8DnrpimUa7t-0-088a180821e99c2335197500e9ce1525)
图3-80 习题2(1)图形
(2)绘制图3-81中的图形,不标注尺寸。
![](https://epubservercos.yuewen.com/A91ADE/16948916305057906/epubprivate/OEBPS/Images/figer333.jpg?sign=1739430228-lxn0Mh5gChhg5bR0Fw5V29hv105McV5w-0-7e67ec4503df2e54e8e86223df448cf1)
图3-81 习题2(2)图形
(3)绘制图3-82中的图形,不标注尺寸。
![](https://epubservercos.yuewen.com/A91ADE/16948916305057906/epubprivate/OEBPS/Images/figer334.jpg?sign=1739430228-Rj9CdcNj6997etrwp9yaUbbRDPanqJaZ-0-f04fee1968770bb9923cbb98c6f962d8)
图3-82 习题2(3)图形
(4)绘制如图3-83所示图形,不标注尺寸。
![](https://epubservercos.yuewen.com/A91ADE/16948916305057906/epubprivate/OEBPS/Images/figer335.jpg?sign=1739430228-snWvPbHCVXakVod5J8fyW7ehCO2ZocB4-0-f3a833ac10a57f1732ab7f759c99bb5a)
图3-83 习题2(4)图形
(5)绘制如图3-84所示轴,不标注尺寸。
![](https://epubservercos.yuewen.com/A91ADE/16948916305057906/epubprivate/OEBPS/Images/figer336.jpg?sign=1739430228-44uIO6LzVWQlHnnEp8Sam5iKU2hVHnPy-0-531513c45f3e22cfcc930544d6e9364c)
图3-84 习题2(5)图形