“telephone switching system”的概念、定义、翻译、参考文献-科学参考

单词	telephone switching system
释义	telephone switching system Encyclopedia 工学〔通信自动化系统〕释 telephone switching system电话交换系统使同一个电话网用户群中，任意两个或多个用户话机之间建立通信路径而暂时连接的设备集合。用以实现建筑物内电话等通信设备的使用。
随便看	Self-portrait Self-portrait by Ren Xiong self-positively recursive set self-potential electric field self-potential method self-potential of ore deposit self-powered detection system self-powered detector self-power-generation self-presentation self-pressurization self-pressurized unloading process self-priming pumps self-projective self-propagating coatings self propagating flowers self-propagating high temperature processing for ceramic composites self-propagating high temperature sintering of ceramics self-propagating star formation self propagation self-propelled chain-track grain combine harvester self-propelled corn ears harvester self-propelled corn harvester self-propelled wheel-type grain combine harvester self-protection electronic jamming

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