英语词汇“PSTN”的读音、翻译、释义、用法及例句-语文网

词汇	PSTN
释义	PSTN 公用电话网（=Public Switched Telephone Network）是以传统铜线作为传递媒介的电信局，且是一种传统过时的电话网路，设备复杂而且维修不易，频宽窄，且时常会有许多杂音及停顿，自然就不能如光纤网路那般提供许多附加服务。
随便看	high-octane high-order high-order character high-order digit high-order end high-order position highpass filter High Performance Computing and Communications high-performance equipment high performance files system high piling high-pitched high point high-positive indicator high-powered Customs Convention Concerning Welfare Material for Seafarers Customs Convention on Containers Customs Convention on the International Transit of Goods Customs Convention on the Temporary Importation of Packings Customs Convention on the Temporary Importation of Pedagogic Material Customs Cooperation Council Customs Cooperation Council Nomenclature customs debenture customs declaration customs drawback

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