“人工交换”的概念、定义、翻译、参考文献-科学参考

单词	人工交换
释义	人工交换 Encyclopedia 工学交换技术释 manual switching人工交换在电话通信的过程中，人工接收呼叫，人工控制接线、拆线等有关动作的交换方式。
随便看	aviation environmental engineering aviation ergonomics aviation extinguishing system aviation field metrology technique aviation fuel aviation fuel system aviation gasoline aviation geography aviation human factors aviation industry Aviation Industry Archives Aviation Industry Corporation of China Aviation Industry Corporation of China, Ltd. aviation industry standard aviation insurance aviation intelligence aviation kerosene Aviation Maintenance and Engineering aviation maintenance engineering aviation maintenance ideas aviation maintenance system aviation man-machine functional allocation aviation man-machine system aviation medical rescue team aviation medicine information

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。