For this project, I chose to build a tool to track a series of global positioning system (GPS) waypoints and compute things like distance to the previous or next waypoint.

对于此项目，我选择构建一个工具来跟踪全球定位系统(GPS)路标点(waypoint)和计算到前一个或后一个路标点的距离。

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The CATT Lab collects information from many sources, including roadside devices, GPS - or global positioning system - equipment and wireless phones.

CATT实验室从多方面收集信息，包括路边设备，以及设备或手机上安装的全球定位系统（GPS）。

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Accelerometers are used in activity trackers and apps that count steps or other exercise. They also are used in global positioning system apps, also called GPS.

加速度计被用于运动跟踪器以及统计步数和其它运动的应用程序。它们还被用于全球定位系统应用（GPS）程序。

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Gafoor said a Global Positioning System, or GPS, found with the attackers showed they had come from Pakistan.

CNN: Mumbai police chief: No warning given of impending attack

Gafoor said a global-positioning system, or GPS, found with the attackers showed they had come from Pakistan.

CNN: Rice heads to India to ease tensions

Its report suggested every car should be fitted with a Global Positioning System (GPS), which measures its distance from three or more satellites, and using triangulation, can pinpoint the position of a car within five or 10 metres.

BBC: Tracking the future of driving