短語詞組短語invariant lie subgroup 不變李子群invariant Abelian subgroup 正槼交換子群irreducible invariant subgroup 不可約不變子群fuzzy fully invariant subgroup 模糊全不變子群radical invariant subgroup [數(shù)]根不變子群topological invariant subgroup [數(shù)]拓撲不變子群closed invariant subgroup [數(shù)]閉不變子群fully invariant subgroup 全不變子群 返回 invariant subgroup