All modern vessels of any size are fitted with radar installations . 所有现代化船只都有雷达装置。
2.
This paper resolved the radar instructions based upon ground to the radar antenna control instructions by using the carrier aircraft attitude data provided by inertial navigation system of the aircraft and the radar installation data provided by radar database 用载机惯导系统提供的载机姿态数据和雷达数据库提供的雷达安装数据，把基于大地的雷达指令解算为雷达天线控制指令。
