“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	China International Public Relations Association China International Publishing Group China International Scientific and Technological Co-operation Award China International Sporting Goods Show China International Television Corporation China International Trade Fair for Apparel Fabrics and Accessories China Internet Network Information Center，CNNIC China Iron and Steel Association China Iron & Steel Research Institute China Iron & Steel Research Institute Group China Irrigation Districts Association China ISBN Agency China ISLI Registration Center China ISRC Agency China ITS Industry Alliance China-Japan Cultural Association China Japanese History Association China-Japan-Korea Grassland Conference China joined the First World War China Journalism Society China Journal of Chinese Materia Medica China Journal of Highway and Transport China Journal of Traditional Chinese Medicine and Pharmacy China jute China katsuratree

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。