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射影几何/经典/射影变换/投影 3D 空间变换/排列组合
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来自维基教科书,面向开放世界的开放式教材
<
射影几何
|
经典/射影变换
|
投影 3D 空间变换
本页可能需要经过
评审
以提高质量。
许多计数问题可以通过排列组合来解决。
排列
-
排列是一组顺序排列的不同对象的排列方式。
组合
则用于计算无序的对象选择。
分类
:
书本:射影几何
华夏公益教科书