“dark ages cold period”的概念、定义、翻译、参考文献-科学参考

单词	dark ages cold period
释义	dark ages cold period Encyclopedia 理学黑暗时代冷期释 dark ages cold period黑暗时代冷期从公元4世纪末至10世纪前期的寒冷时期，这一阶段欧洲大陆国家更迭频繁、战乱连年不休、人民生活困顿、文化发展艰难，被历史学家称为黑暗时代，英国气候学家Lamb首先指出这一时代气候寒冷，并称为黑暗时代冷期。
随便看	L'Atalante latch latch clutch latching latching gyromagnetic device latching network latch register latch up late abortion late adulthood Late-arriving Northern migrants late barrier late barrier reaction late biological effect of nuclear explosion latebrose Late Cermian coal-accumulating period late classic period late cluster late cropping late-developing advantage late developing countries late effect late endosome late fee late heavy bombardment

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