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- The WAAS provides a satellite signal for WAAS users to support enroute and precision approach aircraft navigation. WAAS为WAAS用户提供卫星号以取得精准的航空导航需求。
- The U.S.Navy announced July 17 that Raytheon Co. has been awarded the $232 Million System Development and Demonstration (SDD) contract for the Joint Precision Approach and Landing System (JPALS). 美国海军7月17日宣布,雷声公司获得了价值为2.;32亿美元的合同,对联合精确进近和着陆系统(JPALS)进行开发和演示。
- PAPI Precision Approach Path Indicator 精密进近航道指示器
- NASPALS NAS Precision Approach and Landing System 国家空域系统进近和着陆系统
- High-Performance Precision Approach Control Radar 高性能精确进场控制雷达
- modified precision approach radar 改进型精密进场雷达
- Precision Approach Airfield Radar 精确进场机场雷达
- Precision Approach and Landing System 精密进场与着陆系统
- Precision Approach Interferometer Radar 精确进场干扰仪雷达(英国)
- Precision Approach Lighting System 精密进场照明系统
- Precision Approach Path Indicator 精确进场航路指示器
- Precision Approach Radar not Operative 精确进场雷达不工作
- Precision Approach Radar Resumed Operation 精确进场雷达恢复工作
- Precision Approach RADAR Training System 精确进场雷达训练系统
- Topographic correction not only improves the classification accuracy but is a prerequisite in any quantitative remote sensing with high preciseness approach. 地形校正不仅能提高遥感识别与分类的精度,还是各种定量化遥感应用的前提。
- Precis this chapter in two pages. 用两页写出这一章的大意。
- Precision Approach Slope Indicator 精密进场斜率指示器
- Precision Approach Unified Communications 准确进场统一通信装置
- She made a sign for me to approach her. 她对我发出靠近她的暗号。
- The diagram had been copied with great precision. 该图表的复印件很精确。