【单选题】
正投影法中，投影面、观察者、物体三者相对位置是( )
①
Normal
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7.8 磅
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2
false
false
false
EN-US
ZH-CN
X-NONE
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人——面——物
②
Normal
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7.8 磅
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false
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物——人——面
③
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C. 人——物——面
④
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2
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面——人——物
【判断题】
用正投影的方法，假想人的视线为一组平行且垂直于投影面的投影线，将物体置于投影面与观察者之间，把看得见的轮廓用粗实线表示，看不见的轮廓用虚线表示，这样在投影面上所得的投影称为视图。（ ）
①
正确
②
错误