通信手段：communication means

被叫人：called person

紧急通信：urgent communications

移动电话网：mobile telephone network

电话交换台：telephone switchboard

寻呼业务：paging service

电子电路：electronic circuitry

无线传输：wireless transmission

无线发射机：wireless transmitter

个人代码：personal codes

服务区：service area

单向通信：one-way communication

寻呼用户：paging users

顾客：customer

技术进步：technological progress

系统的效率：efficiency of the system

专用的无线网络：dedicated wireless network

终端设备：terminal equipment

全球覆盖：global coverage

无线增益：gain of the antenna

空间站：space station

通信网络的运行：the operation of a communication network

有线的和移动的电话网络：the wired and mobile telephone network

光和声音的信号装置：optical and acoustical signaling devices

本地电话交换台的接线员：the operator of a local telephone switchboard

第一代寻呼系统：the first generation of paging system

利用无线传输的寻呼系统：the paging system using wireless transmission

专用的无线接收机：the dedicated radio receiver

社会和经济效益：social and economic advantages

电子电路的小型化：the miniaturization of electronic circuitry

价格效率比：cost efficiency

小型无线电接收机：the miniature radio receiver

显示能力：display capability

全球覆盖：global coverage

空间站的天线增益：the space station antenna gain

地球同步轨道卫星：geostationary orbit satellite

用户终端：user terminal