“public switched telephone network，PSTN”的概念、定义、翻译、参考文献-科学参考

单词	public switched telephone network，PSTN
释义	public switched telephone network，PSTN Encyclopedia 工学公共交换电话网释 public switched telephone network，PSTN公共交换电话网由国家电信部门统一管控的，面向所有人使用的全球语音通信公共网络系统。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。
随便看	Riemann derivative Riemann differential equation Riemann ellipsoid Riemann equations Riemann existence theorem Riemann field Riemann-Finsler geometry Riemann foliation Riemann formula Riemann function Riemann functional equation Riemann geometry Riemann geometry in the large Riemann Hilbert problem Riemann-Hilbert problem Riemann homogeneous space Riemann Hurwitz formula Riemann-Hurwitz formula Riemann-Hurwitz relation Riemann hypothesis Riemannian bundle Riemannian class Riemannian complex sphere surface Riemannian connection Riemannian coordinate

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。