工学 画法几何 释 projection transformation 投影变换 一种通过建立新的投影体系，达到改变空间几何元素与投影面相对位置的目的，使空间几何问题的求解更为简捷便利的方法。 理学 几何变换 释 projective transformation 投影变换 将三维场景空间中的点投影到成像平面上所取的变换。
计算机应用 计算机辅助设计与图形学 释文 projective transformation 投影变换
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