“公用交换电话网”的概念、定义、翻译、参考文献-科学参考

单词	公用交换电话网
释义	公用交换电话网 Encyclopedia 工学通信系统释 public switched telephone network，PSTN公用交换电话网进行交互型话音通信、开放电话业务的公众网。是一种全球语音通信电路交换网络。 Computer 网络与数据通信协议体系与组成结构释文 public switched telephone network公用交换电话网
随便看	counter clockwise counterclockwise counterclockwise direction counterclockwise hysteresis loop counterclockwise rotation counter-countermeasure to polygraph testing counter culture Counterculture Movement counter current countercurrent counter current chromatography countercurrent chromatography countercurrent chromatography (CCC) countercurrent-continuous decantation counter current distribution countercurrent electrophoresis countercurrent extraction countercurrent immunoelectrophoresis countercurrent vector control counter-cyclical monetary policy counter-cyclical supervision countercylinder counterdiffusion counter electrode counter electromotive force

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。