“尼格罗人”的概念、定义、翻译、参考文献-科学参考

单词	尼格罗人
释义	尼格罗人 Encyclopedia 法学〔非洲各民族〕释 Negroes尼格罗人泛指居住在非洲大陆撒哈拉沙漠以南及世界各地的黑人。
随便看	welded hollow spherical joint welded joint welded structure welded tube and pipe process welded tube/pipe welder welder’s pneumoconiosis weld heat affected zone welding welding assembly chemicals welding automation welding-brazing welding consumables welding database welding deformation welding effect welding electrode welding engineer welding environment,health and safety welding fixture of launch vehicle welding flux welding fumes welding heat-affected zone welding in space welding inspection

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。