“End-Permian mass extinction”的概念、定义、翻译、参考文献-科学参考

单词	End-Permian mass extinction
释义	End-Permian mass extinction Encyclopedia 理学古生物学释 End-Permian mass extinction二叠纪末大灭绝距今约2.52亿年，地球生物圈发生的一次全球性的大规模的集群灭绝事件。
随便看	standard resistor standard resolution standard Riemann semigroup standard ring standard rootstock standard rotational-velocity star standard ruler Standard sample standard sampling inspection plan standard scale standard scheme standard score standard screen motion picture standard script standard section standard section flow measurement Standards editor standard sequence standard serum standard set standard setting Standards for Content Development of Museum Exhibitions standards for environmental reference material standards for food for special dietary uses standards for grid

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。