“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	traveling-wave linear accelerator traveling-wave maser traveling wave output circuit traveling wave reactor traveling wave tube traveling-wave tube Traveling Wave Tubes traveling wire Travel Insurance travel insurance travellers among mountains and streams traveller's-tree travelling Travelling by Carriage from North Gate Travelling by Horseback in Spring Mountain by Zhou Chen travelling exhibition Travelling in Guan Mountain by Guan Tong Travelling in the Kuang Garden by Wang Duo travelling microscope travelling plastic hinge Travelling Records of Western Regions Travelling Records of Yangzhou travelling salesman constant travelling salesman problem travelling-tube method

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