3G mobile communications system  第三代移动通信系统

air force communications system  空军通信系统

all purpose communications system  多用途通信系统

architecture of green wireless communications system  体系构架

Atmospheric laser communications system  大气激光通信

B3G mobile communications system  B3G移动通信系统

BCS Business Communications System  商业通信系统

beyond 3G mobile communications system  B3G移动通信系统

broadcast communications system  广播通信系统

cellular mobile communications system  蜂窝移动通信系统

communications system  通信系统

communications system of emergency disaster relief  应急减灾通信系统

computer communications system  计算器通信系统

defense communications system  国防通信系统

digit mobile communications system  数字移动通信系统

Dispatching Communications System  调度通信系统

dispersion limit lightwave communications system  波散限制光波通讯系统

distributed mobile communications system  分布式移动通信系统

distributed radio mobile communications system  分布式无线移动通信系统