subgroup

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. A group within a larger group; a group whose members are some, but not all, of the members of a larger group.
    — 1998, Robert A. Johnson, Prevalence of Substance Use Among Racial and Ethnic Subgroups in the United States, 1991-1993, Department of Health and Human Services, page B-11, Based on U.S. Bureau of the Census (1992c), other metropolitan areas that might be suitable for oversampling specific racial/ethnic subgroups include Miami (18% Cuban), New York City (7% Puerto Rican), Los Angeles (26% Mexican), and Honolulu (23% Japanese). Three techniques might be used to increase the yield of rare subgroup members within metropolitan areas where they are concentrated: 1) oversampling of areal segments containing high percentages of the subgroup, […] .
  2. A subset H of a group G that is itself a group and has the same binary operation as G.
    — Much of the information about a group can be gleaned from a study of its subgroups. For these reasons it is important to study the subgroup structure of the almost simple groups, and in particular their maximal subgroups.
动词 v.
  1. To divide or classify into subgroups

词形变化

subgroups plural subgroups present,singular,third-person subgrouping participle,present subgrouped participle,past subgrouped past

词汇关系

衍生词
Cartan subgroup commutator subgroup derived subgroup Fitting subgroup intersubgroup intrasubgroup normal subgroup proper subgroup stabilizer subgroup stable subgroup subgroupiness subsubgroup torsion subgroup trivial subgroup

词源

词源 1
From sub- + group.
词源 2
From sub- + group.
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