“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	light absorption and selection rules for transitions between electronic states light absorption in solids light accumulator light activated element light activated silicon controlled rectifier light activated switch light-activated switch light adaptation light-addressable potentiometric sensor light addressable potentiometric sensor，LAPS light aggregate concrete light air light alloy light amplification light amplification by stimulated emission of radiation light amplifier light amplitude light and color light and colour expression mean light and shadow light and temperature potential productivity light annealing light area light areas light art

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。