subgroup 是什么意思

音标：[ 'sʌbgru:p ]

中文翻译与英英解释

	n. 【化学】(周期表的)族；副族，B族；【生物学】亚群，子群；【数学】簇，子群。

	(mathematics) a subset (that is not empty) of a mathematical group
	a distinct and often subordinate group within a group

In group theory, given a group G under a binary operation?*, a subset H of G is called a subgroup of G if H also forms a group under the operation?*. More precisely, H is a subgroup of G if the restriction of * to H x H is a group operation on H.

例句与用法

	1.	Each of these isotypes is divided into subgroups called allotypes . 每一组同型的再分为亚组，称为同种异型。
	2.	Within every large group, such as the united states, there are many subgroups . 在每个巨大的群体内，例如美国，还存在着许多子群体。
	3.	Finite groups whose 2 - maximal subgroups are all subnormal 极大子群皆正规的有限群
	4.	Weakly c - normal subgroup of finite group and solvability 正规子群与有限群的可解性
	5.	Finite groups whose 3 - maximal subgroups are normal 有限群可解性的正规指数刻画
	6.	The influence of fitting subgroup on structureof a finite group 子群对群结构的影响
	7.	No groups existing with only two non - normal subgroups 不存在仅有两个非正规子群的群
	8.	The two - sided cosets of subgroup and their properties 子群的双侧陪集及其性质
	9.	On the intersection of two special maximal subgroups 两类特殊的极大子群的交
	10.	Calculation the coupling coefficients of subgroup chain pm3m pm3 p 23耦合系数的计算

subgroup是什么意思

subgroup 是什么意思

中文翻译与英英解释

例句与用法