“奥陶纪”的概念、定义、翻译、参考文献-科学参考

单词	奥陶纪
释义	奥陶纪 Encyclopedia 理学古生代释 Ordovician Period奥陶纪古生代第二个纪，约开始于4.85亿年前，结束于4.44亿年前。 Biology Ordovician奥陶纪
随便看	general series general set theory general setting General Sherman Incident general sinusoid general situation general social survey Generals of Ili general soil survey general solution general source general space general specification for military aero-engines General's Residence in Yili general statement general static shift resistivity general strategy of national region development in China general stratigraphic column General Strike of Beijing-Hankou Railway Workers general structure of dictionary general structure on manifolds general structure theorem general structure theory general subsidies for purchasing agricultural supplies general sum

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。