英语词汇“essential mapping”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	essential mapping
释义	essential mapping essential mapping [i¦sen·chəl ′map·iŋ] (mathematics) A mapping between topological spaces that is not homotopic to a mapping whose range is a single point.
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