“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	railway material management railway mileage railway mobile communication system Railway Nationalization railway operation railway over-zone feeding railway passenger car railway passenger service railway passenger service information system railway passenger station railway passenger tariff railway passenger traffic railway passenger train service work Railway Port of Suifenhe City railway retaining wall struction railwayretaining wall struction railway roadbed problems and remedial measures railway rolling stock railway rolling stock maintenance and repair railway sand prevention railway section block railway shunting hump railway signal railway signal indication railway signaling

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。