“End-Permian mass extinction”的概念、定义、翻译、参考文献-科学参考

单词	End-Permian mass extinction
释义	End-Permian mass extinction Encyclopedia 理学古生物学释 End-Permian mass extinction二叠纪末大灭绝距今约2.52亿年，地球生物圈发生的一次全球性的大规模的集群灭绝事件。
随便看	drilling mud logging drilling mud logging parameters drilling non-production time drilling overflow drilling parameter drilling parameters logging drilling pressure maintaining sampling drilling process drilling production platform（DPP） Drilling & Production Technology drilling production time drilling quotas drilling regulations drilling rig drilling rig instruments and gauges drilling riser drilling riser components drilling rock mechanics drilling round trip drilling semi submersible drilling solution mining drilling strata microbial characters drilling string erosion drilling string trouble drilling technical economic index

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