“manual switching”的概念、定义、翻译、参考文献-科学参考

单词	manual switching
释义	manual switching 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	tracking IR-radiometer tracking lidar tracking loop tracking mode tracking performance tracking point tracking power tracking shot tracking system tracking telescope tracking velocity track inspection track inspection car track installation measurement track keeping track length method trackless drift trackless rubber-tyred vehicle track maintenance track of subsatellite point track of Summer Paralympics trackpad track photograph track photometry track pitch

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。