“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	acoustic pressure acoustic pressure sensitivity acoustic problem acoustic property of metal acoustic quantity sensor acoustic radiation acoustic radiation force acoustic radiation impedance acoustic reactance acoustic reflection law acoustic reflectivity acoustic refraction law acoustic refractive index acoustic remote sensing Acoustic Research Centre acoustic resistance acoustic resonance acoustic resonance, sound resonance acoustic resonator acoustic reverberation room acoustics acoustics assessment technology of fisheries acoustics characteristic measuring instrument acoustic sensor acoustic shell

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