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Jyutping dat6 bin3 lei5 leon6
Pinyin tú biàn lǐ lùn

Definitions (Wiktionary)
  1. noun
    catastrophe theory
    (syn.) 突變論, 突变论

[-]

Jyutping dat6 bin3 lei5 leon6
Pinyin tū biàn lǐ lùn

Definitions (CC-CEDICT)
  1. (math.) catastrophe theory
Definitions (Wiktionary)
  1. noun
    catastrophe theory
    (syn.) 突變論, 突变论