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  1. Oxford Dictionary

    bijection

    • IPA[bʌɪˈdʒɛkʃ(ə)n]

    英式

    • n.
      a mapping that is both one-to-one (an injection) and onto (a surjection), i.e. a function which relates each member of a set S (the domain) to a separate and distinct member of another set T (the range), where each member in T also has a corresponding member in S.

    • noun: bijection, plural noun: bijections