“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	differential mode differential module differential Monte Carlo method differential neighborhood differential nutation differential observation differential of a function differential of a map differential of a mapping differential of a morphism differential of an analytic homomorphism differential of arc differential of area differential of exponential map differential of exponential mapping differential of higher order differential of higher orders differential of the first kind differential of the first order differential of the n-th order differential on a Riemann surface differential operator differential operator on a module differential operator sequence differential opportunity theory

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。