“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	prime number graph prime number module prime number of measurement prime number problem prime number race prime number theorem prime number theory prime order prime pairs prime part prime partition prime patterns conjecture prime plane prime polar divisor prime polynomial prime polynomial ideal prime poly-vector prime power prime power conjecture prime power group prime power order prime power symbol prime prefilter prime product prime pyramid

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。