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寒武系
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寒武系
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寒武系
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Cambrian System
寒武系
全球标准年代地层的系级单位,显生宇和古生界的第一个系,是距今5.41亿~4.85亿年前地史时期地球上形成的全部地层,地层位置在埃迪卡拉系之上,奥陶系之下。
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climate change adaptation
Climate Change and World Heritage
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Climate Change Conference in Paris
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climate change in geological period
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climate divison of crop cultivated limit
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climate of China
climate of Qingzang Gaoyuan
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更新时间:2026/1/29 15:42:17