“index of a subgroup”的概念、定义、翻译、参考文献-科学参考

单词	index of a subgroup
释义	index of a subgroup 子群的指数
随便看	regular thumb screw regular tie regular tool-grinding machine regular topological space regular trade regular transition probabilities regular transmission regular triangle regular tube regular turn regular turning tool regular twill regular twist regularty of epidemic regular-type gear lubricant regular unbia(s)sed critical regions regular variable regular variety regular ventilating circuit regular wave regular wholesale regular work regulate regulated amplifier regulated attenuator

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