GPS全球定位系统是美国研制并在10年前投入使用的卫星导航与定位系统，其应用技术已遍及国民经济的各个领域。
GPS was satellite navigating and positing system, which was researched and used in the USA, about 10 years ago. Its application has been spreaded over the international economy.
随着四月一颗全新的定位卫星的升空，中国又向其自主的全球定位系统—“指南针”系统迈近了一步。
With the launch of a new navigation satellite in April, China is now a step closer to establishing its own "GPS" - called the "Compass" navigation system.
全球定位系统（GPS）是一个卫星定位、导航网络系统，可以对扑火队员进行实时的导向和定位，测定火场边界和计算火场面积；
Globe placement system (GPS) is a satellite emplacement and navigation net system, Which can navigate and emplace fire fighters. GPS can also be used in calculating the boundary and area of post fire.
全球定位系统(GPS)是精密的卫星导航定位系统。
Global positioning system (GPS) is a precise, new-generation, satellite-based positioning system.
中地球轨道是全球定位系统（美国）、格洛纳斯系统（俄罗斯）和伽利略定位系统（欧洲）等导航卫星运行的轨道。另外，俄罗斯正在关闭国境内全球定位系统的地面工作站。
It might be interesting to know that MEO is the orbit of GPS, Glonass and Galileo satellites. It is also interesting that Russia is shutting down their GPS stations.
美国全球定位系统GPS是目前性能最完善、定位精度最高、应用最广泛的卫星导航定位系统。
The Global Positioning System (GPS) of U. S is a satellite navigation and position system that now has the best performance , the highest precision of position and it is widely applied in everywhere.
（全球定位系统）正在改变人类的生活和生产方法：交通定位、地质勘探、海拔测量、农业耕种、跟踪监控等一切活动都依赖于卫星导航定位系统。
Global positioning systems, or GPS, have transformed our way of life. We rely on them for everything from navigation to measuring changes in sea levels and tracking money.
在全球定位系统信号不可见的情况下，可使用伪卫星系统扩展其使用范围，全球定位系统信号发生器是其中的关键组成设备。
GPS pseudolites systems were employed to extend the availability of GPS when satellites signals were not seen. GPS signal generators were the core part of pseudolites system.
在全球定位系统信号不可见的情况下，可使用伪卫星系统扩展其使用范围，全球定位系统信号发生器是其中的关键组成设备。
GPS pseudolites systems were employed to extend the availability of GPS when satellites signals were not seen. GPS signal generators were the core part of pseudolites system.
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