subgroup

小组、分组、次团体

The class was divided into subgroups of four students each.

全班被分成每四名学生一组的小组。

亚群、次群体学术

Researchers found higher risks in one subgroup of patients.

研究人员发现某一亚群的病患风险较高。

子群数学

Every group contains at least two trivial subgroups.

每个群至少包含两个平凡子群。

分组、细分多用于学术

The data were subgrouped by age and income level.

资料依年龄与收入水准分组。