变换群 Save Sign in to save words Traditional (Taiwan): 變換群 biànhuànqún ㄅㄧㄢˋ ㄏㄨㄢˋ ㄑㄩㄣˊ transformation group math. Character by character 变(biàn)change 换(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