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。
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）。
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。
The Global Positioning System (GPS) is able to make a direct or indirect measurement of the sea surface position that is so called GPS altimetry.
GPS测高是利用GPS测量技术以间接和直接的方式测量海平面到椭球面的高度。
GPS, or global positioning system, is a satellite-based navigation system made up of a network of 24 satellites.
或者说全球定位系统，是一种基于24颗卫星网络的卫星导航系统。
Their advice is simple: before you go anywhere, make sure you have the right directions—or, better yet, a global positioning system (GPS) for navigating.
他们的建议很简单：在出发之前，你一定要预先知道怎样走——而更好的办法，就是使用全球位置测定系统作导航。
Their advice is simple: before you go anywhere, make sure you have the right directions—or, better yet, a global positioning system (GPS) for navigating.
他们的建议很简单：在出发之前，你一定要预先知道怎样走——而更好的办法，就是使用全球位置测定系统作导航。
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