英语词汇“semigroup”是什么意思，“semigroup”的读音、用法及例句翻译-烛光网

词汇	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
随便看	trickle-down trickle-down theory trickles trickle-up trickle–down trickle–down theory trickling trick or treat trick-or-treat tricks tricksier tricksiest trickster tricksters tricksy tricky trick–or–treat triclinia triclinic triclinium tricolor tricorn tricorne tricornered tricorns

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