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United States
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导航 系统
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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
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