That's the case with dinosaur extinction.

恐龙灭绝就是这样的例子。

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BLOG: Dinosaur Extinction Paved Way for Mammal giants.

相关博客：恐龙灭绝为巨型哺乳动物繁衍铺平道路。

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The asteroid impact and dinosaur extinction, say the authors, may not have been simultaneous, instead occurring 300, 000 years apart.

作者说，行星的影响和恐龙的灭绝可能不是发生在同一时期，而是在大约300 000年前分别发生的。

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Dinosaur extinction, the evolution of mammals and future threats from climate change will be discussed at the conference, the university said.

BBC: 'Big' palaeontology conference at Plymouth University

Extensive dating research at Chicxulub, however, now suggests that the object which created that crater actually struck 300, 000 years earlier than the dinosaur extinction, meaning there really should be two ejecta layers.

ECONOMIST: Mass extinctions

Recent research suggests that there was, in fact, no impact in the North Sea at all, but the Ukrainian site does appear to be the result of a genuine collision that took place at the time of the dinosaur extinction and could therefore be connected with Shiva.

ECONOMIST: Mass extinctions