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navigation stars; Navstar; navigation star | |||
navigation satellite timing and ranging | |||
navigation stars (天文导航用的恒星); navigational stars; Navstar (美国 GPS 的导航卫星); navigation system using timing and ranging (美国 GPS 全球定位系统卫星) | |||
navigational system with time and range | |||
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navigation system using timing and | |||
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NAVSTAR Global Positioning System | |||
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"Navstar" (导航卫星(美)) |
导 航星 : 231 phrases in 22 subjects |