“end-Ordovician mass extinction”的概念、定义、翻译、参考文献-科学参考

单词	end-Ordovician mass extinction
释义	end-Ordovician mass extinction 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	total acceleration total adaptation total additivity total algebra total alkalinity total allowable catch system total amount comparison method total amount control of coal consumption total amount control of energy consumption total amount control of land source pollutant Total Amount Control of Pollutants total amount control of water pollution total amount discharge standard total amount of resources total amplitude total angular defect total angular momentum total angular momentum quantum number total-annular eclipse total area total area of urban parks total bacterial count total binding energy total-block total boundary operator

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。