“二叠纪末大灭绝”的概念、定义、翻译、参考文献-科学参考

单词	二叠纪末大灭绝
释义	二叠纪末大灭绝 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	police impression management police inspection police inspector police instruction and communication equipment police integrated information system police intelligence police internal supervision police law police law enforcement police law enforcement concept police law enforcement supervision police legal supervision police legislation police liaison officers Police Literature and Arts Association of China policeman policeman-on-point-duty curve police marketing strategies police mental health police number police operational plan police parades police professional work police protection police protective equipment

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。