释义 |
全球定位系统quánqiú dìngwèi xìtǒng通过导航卫星对地球上任何地点的用户进行定位并报时的系统。由导航卫星、地面台站和用户定位设备组成。用于军事,也用于其他领域。{global positioning system (GPS); system for pinpointing the position of subscribers and giving the correct time at any location on the globe through a navigational satellite. The GPS consists of a navigational satellite, ground stations and subscribers' positioning equipment, used either for military or other purposes.} |