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卫星导航系统
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卫星导航系统
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卫星导航系统
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satellite navigation system
卫星导航系统
采用卫星导航技术,能为地球表面或近地空间任何地点的用户提供全天候三维坐标、三维速度以及时间信息的天基无线电定位导航系统。
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early repolarization syndrome
Early retirement policy
early seasonal rice
early Socialist movement in Japan
early spectral type
Early Spring
Early Spring in February
early stage socialization
early stage star
early stellar evolution
early stopping method
early strength
early sun
early transition metal
early transition state
early translated mechanics literature
early-type cluster
early-type emission-line star
early-type emission star
early-type galaxy
early-type spiral galaxy
early-type star
early-type supergiant
early-type variable
early universe
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