古-中元古代_有道手机词典

1.地球动力学分析表明，古中元古代时，海南岛西部可能经历了一次由“开”向“合”转变的构造演化史。
Geodynamic analysis shows that the tectonic evolution history from "spreading" state into "closing" state might have happened in Paleo Mesoproterozoic age on western Hainan.
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2.本组为评估中元古代生命状况、古环境和前显生宙生物地层提供了重要的生物信息。
This Formation provides important paleobiological information from which to assess status of Mesoproterozoic life, and to evaluate paleoenvironmental conditions and pre_Phanerozoic biostratigraphy.
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