发射机电源 meaning in Chinese

transmitter supply

General specification of transmitter power supply in the central station for duplex mobile radio system
无线双工移动通信系统中心台发射机电源通用规范
Safety notes : in the event that you adjust the engine in your model , be sure to switch on the receiver and the transmitter before starting it
安全注记:如果您要在您的飞机上调整引擎,请确定接收器和发射机电源已经打开。