mobile radio service meaning in Chinese

流动无线电通信服务
移动无线电服务
移动无线电业务

Aeronautical mobile radio service
航空无线电业务
Besides the more obvious broadcast , emergency and mobile radio services there are cellular and cordless telephones , radar , garage door openers and other remote controls , telemetry , and amateur and cb radio
无线电频谱除了广播频段，应急通信频段和移动通信频段以外，还包括蜂窝电话、无绳电话、雷达、遥控器、无线电爱好者和民用频段。