突变理论 tūbiànlǐlùn catastrophe theory Definitions Defs Origin Strokes Stroke Words Sentences Sents 突变理论 (突變理論) tūbiànlǐlùn catastrophe theory (math.) catastrophe theory Sources Definitions CC-CEDICT
突变理论 (突變理論) tūbiànlǐlùn catastrophe theory (math.) catastrophe theory Sources Definitions CC-CEDICT
