正投影圖
From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia
喺正投影圖做法當中（簡化講），分析者要由嚿物體度射一拃彼此之間成平行嘅直線（平行投影），而呢啲直線冚唪唥都同投影表面正交（睇下圖 orthographic）。
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