“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	unoriented cobordant manifold unoriented cobordism unoriented cobordism class unoriented cobordism group unoriented graph unoriented string UNP unpaired unpaired electron unpaired nucleon unparticle physics un-permissible size of confine number reeling unperturbed unperturbed dimension unperturbed end to end distance unperturbed end-to-end distance unperturbed equation unperturbed motion unperturbed operator unperturbed orbit unperturbed problem unphysical particle unphysiological forgetting unpliable unpliancy

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