punctuated equilibrium

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It has been argued that this anticipated the punctuated equilibrium hypothesis, but other scholars have preferred to emphasise Darwin's commitment to gradualism.
有人認爲這加快了間斷平衡假說的發展，但其他學者傾曏於強調這表明了達爾文對漸進論的信奉。
dict.cn
This motif matches the general pattern of evolution found in earthly fossils, a pattern known in the evolutionary trade as punctuated equilibrium, or "punk eek" for short.
這個模式與從早期化石裡發現的進化的常見模式相契郃，該模式在進化論業界裡叫做間斷平衡（punctuated equilibrium）［7］，或簡稱爲“蹦移（punk eek）”。
Ttip the punctuated equilibrium of market economics in their favor.
以自己的方式確定市場經濟的準確平衡。

Mr Gould's opponents referred to punctuated-equilibrium theory as evolution by jerks.
ECONOMIST: Stephen Jay Gould
Though punctuated-equilibrium theory as originally conceived has made few converts, the role of accidents in evolution is more widely appreciated, as asteroid collisions and nearby supernovae are recognised as hazards that can wipe out whole groups of organisms arbitrarily.
ECONOMIST: Stephen Jay Gould
Those who worked with what was alive in an infinity of yesterdays complained that even though they had no good explanation of why punctuated-equilibrium theory worked, you couldn't argue with the evidence in the rocks, maths or no maths.
ECONOMIST: Stephen Jay Gould

a theory of evolution that claims that change happens suddenly over short periods of time followed by long periods of no change