trunked mobile radio system meaning in English

集束流动无线电通信系统

Technical specifications for trunked mobile radio systems
集群移动通信系统技术体制
Technical specifications for private trunked mobile radio system for communications
交通专用集群移动通信系统技术体制
These include operations and maintenance services for key airport authority engineering plant and systems such as airfield e & m installations and systems - - airfield lighting , airfield hvlv & emergency power generating systems , aerobridges , preconditioned air systems for planes , trunked mobile radio system , baggage handling system , aircraft parking aids , pumping systems , air - conditioning system in the passenger terminal building , as well as wastewater treatment plant
而服务所涉及的主要设施则包括飞行区照明系统、高低压及紧急供电系统、登机桥、为停于地面的飞机提供预校空气系统、集群流动无线电通话系统、行李处理系统、飞机停泊辅助设施、抽水系统、机场客运大楼空调系统以及污水处理厂。