“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	peak to background ratio peak-to-background ratio peak to valley peak to valley, PTV peak to valley ratio peak-to-valley ratio peak-to-valley value peak valley technique peak [value] peak value peak wavelength peak width peak width at base peak width at half height peak withstand currenttest peaky pea leaf miner pea leafminer Peale Museum Peano Peano algebra Peano area Peano arithmetic Peano-Arzelàmethod Peano axiom

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。