“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	polymer insulator polymer interlayer polymerisate polymerism polymer isotacticity polymerization polymerization accelerator polymerization additive polymerization catalyst polymerization initiator polymerization kinetics polymerization method polymerization of cyclic monomer polymerization of cycloolefins polymerization of nano-sized monomer polymerization process polymerization reactions of cell metabolism polymerization reactor polymerization thermodynamics polymerization with expansion in volume polymerize polymerized polymerized melts polymerized rosin polymerizer

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