“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	spectroscopic binary star spectroscopic carrier spectroscopic distance spectroscopic element spectroscopic ellipsometry spectroscopic factor spectroscopic isotope shift spectroscopic isotopic effect spectroscopic light source spectroscopic luminosity spectroscopic optics spectroscopic orbit spectroscopic parallax spectroscopic period spectroscopic prism spectroscopic probe spectroscopic redshift spectroscopic survey Spectroscopic Survey Telescope Spectroscopic survey telescope spectroscopic term spectroscopic term of atom [spectroscopic] term series spectroscopic term series spectroscopist

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。