“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	electrical fire Electrical fire evidence identification electrical fire monitoring system electrical functional composites electrical generator Electrical geophysical prospecting methods in Engineering electrical governor electrical heating alloy electrical ignition source electrical image method electrical impedance tomography electrical impedance tomography, EIT electricalInjury electrical instruments electrical insulating material electrical isolation electrical load electrical load management center electrical log electrical logging electrical logging instrument electrical-logging pressure gauge electrically assisted turbocharger electrically driven thermoacoustic cooling cycle electrically-erasable programmable read-only memory

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。