subgroup
/ˈsʌbˌɡruːp/
- n.
- 小群，隶属的小组织，子群
中文释义来自 ECDICT
释义
名词noun
- 1A group within a larger group; a group whose members are some, but not all, of the members of a larger group.
- 2(group theory) A subset H of a group G that is itself a group and has the same binary operation as G.