- 交换数据: swap data
- 网络: network; electric network me ...
- 电路交换数据网络: circuit switched data network csdn; network circuit switched data; network, circuit switched data (csdn)
- 分封交换数据网络: network packet switched data; network, packet switched data (psdn); packet switched data network psdn; packet switching data network
- 分组交换数据网络: packet switching data network; psdn: packet-switched data network
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