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煤化木
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煤化木
Encyclopedia
理学
成煤植物
释
coalified wood
煤化木
保存在煤层中或含煤岩系中,由高等植物类茎器官所形成的具解剖构造或树木外形的特殊化石类型。
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International Polar Year
International polar year
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international practical temperature scale, IPTS
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