The punctuated equilibrium hypothesis attempts to explain a curious feature of the fossil record—one that has been familiar to paleontologists for more than a century but has usually been ignored.
断点平衡论试着去解释化石记录的一个古怪的特点——在超过一个世纪的时间里，这一特点已经为古生物学者所熟悉，但一直被忽视。
The punctuated equilibrium hypothesis attempts to explain a curious feature of the fossil record—one that has been familiar to paleontologists for more than a century but has usually been ignored.
断点平衡论试着去解释化石记录的一个古怪的特点——在超过一个世纪的时间里，这一特点已经为古生物学者所熟悉，但一直被忽视。
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