“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	theory of counting theory of covering surfaces theory of craze and shear band theory of crime function theory of cultural norms theory of curves theory of cycles theory of data theory of decentralized control for largescale systems theory of defining by benevolence and righteousness theory of demographic transition theory of demolition blasting theory of denying the legitimacy of the monarch theory of dependent development theory of depicting inner spirit theory of descent theory of detailed planning theory of difference schemes theory of differential equations theory of différance theory of Diophantus approximation theory of dispersion theory of dissipative structure theory of distortion theory of distributions

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。