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network, packet switched data (psdn)
分封交换数据网络  detail>>
packet switched data network psdn
分组交换数据网/包交换数据网  detail>>
psdn packet switched data network
分组交换数据网 公共分组数据网络  detail>>
public switched data network psdn
公用数据交换网  detail>>
network packet switched data
分封交换数据网络  detail>>
packet switched data network
包交换网, 分组交换网 分组交换数据网,公共交换数据网  detail>>
packet-switched data network
包交换数据网  detail>>
packet switched digital data network
分组交换数字数据网  detail>>
packet switched public data network
分组交换公共数据网 公众分组交换数据网  detail>>
psdn public switched digital network
公共交换数字网  detail>>
network local packet switched
区域性分封交换网络  detail>>
packet switched network
包交换网络  detail>>
packet-switched network
分组交换网 信息包交换网络  detail>>
psn packet-switched network
分组交换网  detail>>
public packet switched network
公共包交换网络 公共分组交换网  detail>>
packet switched data
分组交换数据 固定电话普及率  detail>>
packet switched data service
分组交换数据业务  detail>>
local packet-switched network (lpn)
区域性分封交换网络  detail>>