题目内容

以下关于齐次坐标正确的说法是？

A. 齐次坐标最后一维数字的值不能为0
B. 一个笛卡尔坐标可以对应无数的齐次坐标
C. 齐次坐标转换为笛卡尔坐标只需要将每一维数字除以最后一维数字，然后将最后一维去掉就可以了
D. 应用齐次坐标可以统一平移变换、旋转变换、比例变换和剪切变换的形式

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