借助内积关系,给出了欧氏空间的变换是线性变换的两个充要条件,并由此得到一些相关结论。
By the relation transvection, we obtain two necessary and sufficient conditions for the transformation being linear transformation in Euclid Spaces, and out of it, we have got some conclusions.
镜面反射是欧氏空间中一类很重要的线性变换,在几何空间中有着极其形象的解释。
The specular reflection is a very important linear transformation in Euclidean space, and it has a special geometrical explanation in geometrical space.
利用长度关系给出了欧氏空间的变换为对称变换的若干个充要条件。
A few good necessary and sufficient conditions are given by using length relation for symmetrical transformation on Euclidean space.
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