分组交换公用数据网 meaning in English

packet switched public data network pspdn
pspdn packet switched public data network
telenet

Connection of vsat systems with packet - switched public data networks based on x . 25 procedures
Vsat系统与基于x . 25规程的分组交换公用数据网的连接
Interworking between packet switched public data networks and public maritime mobile satellite data transmission systems
分组交换公用数据网和公用海事移动卫星数据传输系统之间的互通
Dte interface between data terminal equipment and data circuit - terminating equipment for terminals operating in the packet mode and accessing a packet switched public data network through a public switched telephone network or anintegrated se
经公用交换电话网或综合业务数字网或电路交换公用数据网接入分组交换公用数据网的分组式数据终端设备