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- 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。
- NASPALS NAS Precision Approach and Landing System 国家空域系统进近和着陆系统
- Long-Range Approach and Landing System 远程进场和着陆系统
- Precision Approach and Landing System 精密进场与着陆系统
- Marine Remote Area Approach and Landing System 陆战队遥控地域进场着陆系统
- Advanced Approach and Landing System 高级进场与着陆系统
- approaching and landing system 着陆导引
- Heavy rain is very hazardous to flight safety,the crashing accidents during approach and landing caused by heavy rain usually happen. 大雨是影响飞行安全的重要天气因素，进场着陆的飞机由于遭遇暴雨而失控坠毁的事故经常发生。
- Although the Martian atmosphere is very rare,a parachute is an important decelerator in the entry,descent and landing system for Mars exploration mission. 尽管火星表面大气非常稀薄,但降落伞仍是火星探测着陆系统中一种重要的减速装置。
- Thales UK today confirms a further key milestone for the WATCHKEEPER programme has been met, with the validation of Thales's automatic take-off and landing system, MAGIC ATOLS. 英国泰雷斯公司今天宣布，他们在“守望者”计划中取得了具有关键性里程碑意义的进步，该计划装备的MAGIC ATOLS泰雷斯自动起飞和降落系统被确认满足要求。
- With the observation data of Doppler Radar at Xiamen,the intensity of radar echo and Doppler velocity,as well as their variation were analyzed,focused on the data when typhoon 9914 was approaching and landing on Xiamen. 利用多普勒天气雷达资料分析和探讨 1 999年 1 4号台风在近海及登陆过程中强度场、多普勒速度场的分布特点和演变规律。
- An airborne RPS/INS guiding system is developed to decrease the probability of landing accident and endow it with the ability of precision approaching and landing in complicated condition. 为进一步提高飞机精确进场着陆导引能力,减少着陆事故的发生,研究了基于伪卫星/惯性组合的自主着陆导引技术。
- Don't try and land me with your responsibilities! 你休想把你的责任推到我身上。
- GeoCommunicator is a land management and land records community based web site for the distribution of information and data from the National Integrated Land System. 资源描述:GeoCommunicator网站是由美国土地管理局与美国森林服务处联合建设的政府网站,提供美国国家综合土地系统发布的有关土地管理和土地记录的数据和信息。
- Integrated Visual Approach and Landing Aid System 目力进场与着陆辅降(雷达)综合系统
- Approach and Landing Guidance System 进场和着陆导航系统
- She tripped over and landed in puddle. 她绊了一下跌在水潭里。
- Her hat fly off and landed up in the river. 她的帽子让风刮跑落到河里了。
- Tell the children to stop prancing around and landing and get into bed. 告诉孩子们不要再蹦跳了，叫他们睡觉。
- Her hat flew off and landed up in the river. 她的帽子让风刮跑落到河里了。
