“middle ages”的概念、定义、翻译、参考文献-科学参考

单词	middle ages
释义	middle ages Encyclopedia 历史学〔史学理论〕释 middle ages中世纪从公元5世纪到15世纪中叶这段时间。一种针对西欧历史做出的历史分期方式。
随便看	petroleum resources petroleum resources assessment petroleum resources classification system petroleum resources of China petroleum resources proved degree Petroleum Science Petroleum Science And Technology Petroleum Science Bulletin petroleum solvent petroleum spray oil Petroleum Storage & Transportation Committee of China Petroleum Society petroleum sulfonate petroleum survey degree petroleum survey techniques petroleum system petroleum tar petroleum wax petroleum wax production petroliferous basins petrolift petrologial constitute petrologic types petrology Petropavlovskiy crater Petropavlovsk-Kamchatskiy

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。