英语词汇“first category”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 category
释义	first category first category [′fərst ′kad·ə‚gȯr·ē] (mathematics) A set is of first category if it is a countable union of nowhere dense sets. A set S is of first category at a point x if there is a neighborhood of x whose intersection with S is of first category.
随便看	martorell i syndrome martorell, r martorell, r. martorell syndrome martos, ivan martos, ivan petrovich martovich, les martov, l. martp mart port mart raud marts martsialnye vody martsinovskii, evgenii martsinovskii, evgenii ivanovich martsin, tatiana martsin, tatiana filippovna martsun, mariia martsun, mariia antonovna martt martti martti ahtisaari martti johannes larni martuni martuni (province)

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