“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	mean equator mean equatorial sun mean equinox mean ergodic theorem mean-ergodic theorem mean error mean evolute mean extinction coefficient mean fiber length mean fictitious clock mean field mean field approach mean field approximation mean field game mean field theory mean-field theory mean field theory in nuclear physics mean-flux method mean free collision time mean free path mean free path of electrons mean free path of gas molecules mean free path 平均自由程 mean free time mean function

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。