英语词汇“sigma algebra”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	sigma algebra
释义	sigma algebra sigma algebra [′sig·mə ′al·jə·brə] (mathematics) A collection of subsets of a given set which contains the empty set and is closed under countable union and complementation of sets. Also known as sigma field.
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