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单词 pre-Sinian
释义
pre-Sinian
  • 简明释义
  • adj.震旦纪前的
  • 网络释义
  • 1

    ?前震旦纪

    ... Sinian Direction 震旦方向 pre-Sinian 前震旦纪 Sinian Period(System 震旦纪 ...

短语
  • 双语例句
  • 1
    The Pre-Sinian Darezha Formation is widely exposed in west Mianning.
    冕宁西部是康滇地区前震旦系出露较集中的地段之一。
  • 2
    The opening and closing history may involve three major stages: pre-Sinian, Paleozoic and Meso-Cenozoic.
    开合历史分为前震旦纪、古生代和中、新生代三大阶段。
  • 3
    Based on analysis of auriferous and geochemical properties of the meta morphic rocks, the authors hold that the major elements related to gold mineralization were derived from the Pre-Sinian System.
    在分析变质岩的含金性及地球化学性质的基础上,认为与金成矿有关的主要元素均源自前震旦系。
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更新时间:2025/8/12 5:45:09