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大冰期

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大冰期(英语:Ice Age),又称“冰川期”或“冰河期”,是指地球大气搭地表长期低温导致极地搭山地冰盖大幅扩展甚至覆盖整个大陆个时期。相邻个大冰期之间个气候比较温暖个时期,称为“大间冰期”。大冰期内部又分为若干次冰期(glacial period、glacials或glaciations)搭间冰期(interglacials)。

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