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Terms for subject United States containing 导航 系统 | all forms | in specified order only
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国家天基导航、定位、授时系统工程论坛National Space-Based PNT Systems Engineering Forum
国防导航卫星系统defense navigation satellite system
子午仪卫星导航系统Transit navigation system
导航星全球定位系统NAVSTAR global positioning system
导航星全球定位系统navigation satellite timing and ranging-global positioning system
洛克希德・马丁航天系统公司导弹与空间业务分部Lockheed Martin Space Systems Company Missiles and Space Operations
海军导航技术系统navy navigation technology system (卫星)
L-3 通信空间与导航系统公司L-3 Communications Space & Navigation Systems
防御对地攻击巡航导弹的高架联网传感器系统joint land attack cruise missile defense elevated netted sensor system