global system for mobile communication system
global system for mobile communication
全域移动通信系统
全球移动通讯系统
全球移动通信系统
移动通讯
泛欧行动电话系统
泛欧数字式行动电话系统
GSM global system for mobile communications
3G mobile communication system
3rd Generation Mobile Communication System
air-conditioning system for communication rooms
micro cellular mobile communication system
trunked mobile communication system
global mobile tectonics
global system technology GST
1553B communication system
3G communication system
A space-ground laser communication system
A study of training system for young longan trees
a system for financial innovation diffusion
A trellis-pruning system for pear culture
ABCAutomatic Base Communication System
Absorption refrigeration system for transport refrigeration