置換群 Save Sign in to save words Simplified: 置换群 zhìhuànqún ㄓˋ ㄏㄨㄢˋ ㄑㄩㄣˊ permutation group math. Character by character 置(zhì)install 換(huàn)exchange 群(qún)group A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0