固定通信网
fixed network
Fixed communication
fixed communicatio n network
骨干通信网
the first-level backbone telecommunication network
公众计算通信网
public computing communication network
个人通信网
pCN
bamboo-fiber
bamboo-cutting
bamboo yarn
Personal Communications Network PCN
高速公路通信网
highway communication network
expressway communication network
Freeway communication
干线战术通信网
trunk tactical communication network