第一角投影中，投影面、观察者、物体三者相对位置如何？ What is the correct relative position of the first angle projection method ？ projection plane, observer and objectA．人——面——物 observer—projection plane —objectB．物——人——面 object—observer—projection planeC．人——物——面 observer—object—projection planeD．面——人——物 projection plane —observer——object
第一角投影中，投影面、观察者、物体三者相对位置如何？ What is the correct relative position of the first angle projection method ？ projection plane, observer and object
A．人——面——物 observer—projection plane —object
B．物——人——面 object—observer—projection plane
C．人——物——面 observer—object—projection plane
D．面——人——物 projection plane —observer——object
参考答案和解析
人 ——物——面 observer — object — projection plane
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