“isometry”的概念、定义、翻译、参考文献-科学参考

单词	isometry
释义	isometry [ī`säm·ǝ·trē] ^MATHEMATICS 1. A mapping f from a metric space X to a metric space Y where the distance between any two points of X equals the distance between their images under f in Y. 2. A linear isomorphism σ of a vector space E onto itself such that, for a given bilinear form g, g(σx,σy)=g(x,y ) for all x and y in E.
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