英语词汇semigroup怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	semigroup
释义	sem·i·group AHD[sĕmʹē-gro͞op', sĕmʹī-] D.J.[ˈsemiːˌgruːp, ˈsemaɪ-]K.K.[ˈsɛmiˌgrup, ˈsɛmaɪ-]n.Mathematics（名词）【数学】 A set for which there is a binary operation that is closed and associative.半群：结合二元运算下闭合和结合的数学集合
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