“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	neap rise neap tide NEAR near near-algebra near axial ray near-azeotropic mixture nearbalanced accurate pressure control drilling near balanced perforation near barrier near-barrier nearby dwarf nearby galaxy nearby object nearby space nearby star nearby surface Nearch crater near-circular orbit near-collision nebula near-compactness near-contact binary near continuity Near Death near degeneracy

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。