“奥陶纪末大灭绝”的概念、定义、翻译、参考文献-科学参考

单词	奥陶纪末大灭绝
释义	奥陶纪末大灭绝 Encyclopedia 理学古生物学释 end-Ordovician mass extinction奥陶纪末大灭绝距今约4.44亿年，地球海洋生命系统发生过的一次大规模的多样性快速下降事件。
随便看	hard corals hard core hardcover hard-cover binding line hardcover book hard crown-glass hard cutting hard decision hard dense loops hard direction hard direction for magnetization hard direction of magnetization hard disk hard disk drive hard disk drive, HDD hard disk drive，HDD harddisk playout system hard disk recorder for real time slow motion hard disk, rigid disk hard drawing Hard-edge Painting hard electron hard ellipsoid of revolution type potential hard ellipsoid potential hardenability

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。