英语词汇“r-combination”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	r-combination
释义	r-combination r-combination [′är ‚käm·bə‚nā·shən] (mathematics) An r-combination of a set is an selection of r elements of the set.
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