突變理論 Save Sign in to save words Simplified: 突变理论 tūbiànlǐlùn ㄊㄨ ㄅㄧㄢˋ ㄌㄧˇ ㄌㄨㄣˋ catastrophe theory math. Character by character 突(tū)dash 變(biàn)change 理(lǐ)texture 論(lùn)opinion A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0