[数] 余子群 parabolic subgroups: 抛物型子群population subgroups: 人口亚群complementary: adj. 补充的;补足的;互补的;【生物学】互配(力)的。 chief series of subgroups: 主子群列fully invariant series of subgroups: 全不变子群列下载手机词典可随时随地查词查翻译