line control of communication通信链路控制
line lock of communication供应线
LOC line of communication通信线路
Line of sight communication视影通信;视影通讯
aloc air line of communication轻便架空通讯线路
mean of line communication有线通信设备
means of line communication有线通信工具;有线通信设备
non-line-of-sight communication非视距通信
Non-Line-of-Sight Ultraviolet communication非视线紫外通信