“黑暗时代冷期”的概念、定义、翻译、参考文献-科学参考

单词	黑暗时代冷期
释义	黑暗时代冷期 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	Directorate of Astronomy and Calendar Directorate of Waterways direct orbit director-choreographers in integrated musicals director circle director cone director curve direct organogenesis director-general of grain transport director-general of the Grand Canal director hammer percussion direct orientation director of a bureau Director of Archery Storehouse Director of Dragon director of editorial department director of general affairs director of imperial observatory director of teaching and learning Director of the Highest Rank Director of the Imperial Library director of the outer scene director plane direct or reversecirculation rotary drill directors and officers liability insurance

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。