与GPS接收机的位置（虽然这种情况一旦发生，视觉系统，具有更快的响应时间，做大部分的跟踪。冰球包含一些基本操作： ；
It first identifies the user's location with a GPS receiver (though once that happens, the vision system, with a faster response time, does most of the tracking.
与GPS接收机的位置（虽然这种情况一旦发生，视觉系统，具有更快的响应时间，做大部分的跟踪。冰球包含一些基本操作： ；
It first identifies the user's location with a GPS receiver (though once that happens, the vision system, with a faster response time, does most of the tracking.
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