“officials within the ranks”的概念、定义、翻译、参考文献-科学参考

单词	officials within the ranks
释义	officials within the ranks Encyclopedia 历史学制度、机构与职官释 officials within the ranks流内官在一定的官阶、品位之内的官员的统称。
随便看	pneumatic artificial muscle pneumatic boot de-icing pneumatic caisson foundation pneumatic caisson technology pneumatic conveyor pneumatic dryer pneumatic electric converter pneumatic fire extinguisher pneumatic flow field pneumatic hammer pneumatic-hydro connector pneumatic levitation pneumatic modular system for automatic control pneumatic nebulizer pneumatic pipe collection system pneumatic power transmission pneumatic pruner pneumatic pump pneumatic pump-fed liquid rocket engine pneumatic rabbit pneumatic regulatory systems pneumatic rock drill pneumatics pneumatic seed-metering device pneumatic separation

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。