LOS : Loss Of Signal 信号丢失MODEM Modulator-Demodulator 调制解调器CAD : Concept Advanced Development 先进的发展理念CAD : Computer-Aided Design 计算机辅助设计PWR : Power 电源PWR : Pressurized Water Reactor 重水反应炉,加压水冷却式反应器PWR : Process Work Request 过程的工作要求RF Radio Freqency 射频, 无线电频率RX : Receive/Receiver/Reception中文全称:接收/接收/接收RS:Radio Sonde 无线电高空测候Radius Server 认证服务器TX:Transmit 发送器