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