digital communication systems
digital communication systems and technology
digital integrated circuit
Field and Office Integrated Digital Mapping
fire emergency communication integrated voice communications platform
Integrated communication network
Integrated Communication System
综合通信系统
整合通讯系统
车内综合通信系统
综合通讯系统
综合交通体系
integrated digital mineral deposit prospecting model
integrated digital pressurizing skid
Integrated service marketing communications
integrated service model
integrated service system
Service Integrated Company
abstract communication service interface
emergency medical service systems