英语词汇“first countable topological space”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	first countable topological space
释义	first countable topological space first countable topological space [¦fərst ′kau̇nt·ə·bəl ‚täp·ə¦läj·ə·kəl ′spās] (mathematics) A topological space in which every point has a countable number of open neighborhoods so that any neighborhood of this point contains one of these.
随便看	railroad station railroad stations railroads them into railroad street youth project railroads us into railroad switch railroads you into railroad terminal railroad them into railroad thermit railroad through railroad ticket railroad tie railroad ties railroad track railroad track appearance railroad tracks railroad track scar railroad traffic collision avoidance system railroad train railroad transport railroad transportation and operation agreement railroad transportation officer railroad transportation safety district railroad transport, institute of

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