subgroup

汉语翻译

n. 小群, 隶属的小组织, 子群
【化】 族; 族周期表; 副族(指周期表中B族); 子群; 亚群(生物分类); 族(数)

英语解释

名词 subgroup:

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