短語詞組短語normal cyclic subgroup 正規(guī)循環(huán)子群normal lie subgroup 正規(guī)李子群vv normal fuzzy subgroup 向量值正規(guī)模糊子群Step normal fuzzy subgroup 階梯模糊子群Normal fuzzy subgroup 正規(guī)模糊子群normal multiple subgroup 正規(guī)多重子群minimal normal subgroup [數(shù)]最小正規(guī)子群normal subgroup of classes 類正規(guī)子群 返回 normal subgroup