“K-Pg boundary event”的概念、定义、翻译、参考文献-科学参考

单词	K-Pg boundary event
释义	K-Pg boundary event Encyclopedia 理学白垩纪-古近纪界线事件释 K-Pg boundary event白垩—古近纪界线事件地质历史时期发生的第二大规模的生物集群灭绝事件。又称K—Pg事件，曾称白垩—第三纪（K—T）界线事件。
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