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判别重影点的可见性，是根据不重合的那个投影面上两点投影的坐标值得大小来判别，大者可见，小者不可见

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判别重影点的可见性，是根据不重合的那个投影面上两点投影的坐标值得大小来判别，大者可见，小者不可见

A.正确

B.错误

参考答案:

答案：正确

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