“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	cyclic determinants cyclic difference set cyclic displacement cyclic double-sweep cyclic electron flow cyclic electron transport cyclic element cyclic enzymatic amplification method cyclic equation cyclic extension cyclic extension field cyclic extension group cyclic extension of a group cyclic factor set cyclic field cyclic form cyclic frequency cyclic function cyclic gas injection in condensate gas reservoir cyclic graph cyclic group cyclic group C1 cyclic group C10 cyclic group C11 cyclic group C12

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。