Some 20 major items of air traffic control (ATC) equipment and air navigation facilities including radar sensors,radar data processing and flight data processing systems,navigational aids and communication systems were installed.
英
美
- 20多项主要航空交通管制及导航仪器设施先后完成安装,包括雷达接收装置、雷达资料及飞行资料处理系统、导航仪器及通讯系统等。