“二叠—三叠纪界线事件”的概念、定义、翻译、参考文献-科学参考

单词	二叠—三叠纪界线事件
释义	二叠—三叠纪界线事件 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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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。