英语词汇“urysohn lemma”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	urysohn lemma
释义	Urysohn lemma Urysohn lemma [′u̇r·ē‚zōn ‚lem·ə] (mathematics) If A and B are disjoint, closed sets in a normal space X, there is a real-valued function ƒ such that 0 ≤ ƒ(x) ≤ 1 for all x ∈ X, and ƒ (A) = 0 and ƒ (B) = 1.
随便看	aldh2 aldh3a1 aldh3a2 aldh3b1 aldh3b2 aldh4 aldh4a1 aldh5 aldh5a1 aldh6 aldh6a1 aldh7 aldh7a1 aldh8 aldh8a1 aldh9a1 aldha aldh class 1 aldh class 2 aldh-e1 aldh-e2 aldhi aldhiii aldhom aldhs

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Urysohn lemma