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Devonian Period
释义
Devonian Period
Encyclopedia
理学
古生代
释
Devonian Period
泥盆纪
古生代的第四个纪,在志留纪之后,石炭纪之前。约开始于4.19亿年前,结束于3.59亿年前,持续时间约0.6亿年。泥盆纪时期形成的地层称泥盆系(Devonian System)。
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