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3 个月
硅质岩的化学成分研究,对地质有什么影响?
硅质岩是微晶质或隐晶质石英组成的, 基本是Si O2球形微晶组成, 而在这些微晶颗粒间, 充填有硅质岩形成时的介质流体 (气体和水) , 这些 ...
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今日热点
Picked as secretary of state
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Next Senate majority leader
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Bitcoin rises above $90K
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UFO House hearing
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Wins the Booker Prize 2024
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