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  1. Oxford Dictionary

    punctuated equilibrium

    • n.
      the hypothesis that evolutionary development is marked by isolated episodes of rapid speciation between long periods of little or no change.

    • noun: punctuated equilibrium, plural noun: punctuated equilibria

    • 更多解釋

    punctuated equilibrium

    • IPA[ˈpəNG(k)(t)SHəˌwādid ˌekwəˈlibrēəm]
    • n.
      the hypothesis that evolutionary development is marked by isolated episodes of rapid speciation ...

    Oxford American Dictionary