“Permian-Triassic boundary events”的概念、定义、翻译、参考文献-科学参考

单词	Permian-Triassic boundary events
释义	Permian-Triassic boundary events Encyclopedia 理学二叠纪-三叠纪界线事件释 Permian-Triassic boundary events二叠—三叠纪界线事件发生在二叠纪与三叠纪之交的系列突变性地质事件。
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