英语词汇“over a set”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	over a set
释义	over a set over a set [¦ō·vər ə ′set] (mathematics) A map ƒ from a set A to a set L is said to be over a set B if B is a subset of both A and L and if the restriction of F to B is the identity map on B.
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