GPS-Global Position System 全球卫星定位系统
The second technology is the satellite-based Global Positioning System (GPS), which can determine a vehicle's position to within a few metres.
第二项是基于卫星的全球定位系统（简称GPS），它对车辆位置的判断可在几米之内。
GPS (Global Position system) is an effective way employed in urban rail transit systems to guarantee the safe and fast running of trains.
卫星定位系统(GPS)是解决城市轨道交通中列车安全快速运行的有效手段。
Global Positioning System(GPS)is a satellite navigation system designed to provide instantaneous three-dimensional position infbrmation almost anywhere on the globe at any time, and in any weather .
GPS全球定位系统以其全球性、全天候、实时定位等优点显示出强大的生命力和竞争力，在航空、航天、航海及许多民用领域有着广泛的应用。
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