Taking advantage of a smart phone's GPS, compass and barometer, the app can determine the location of a person remotely.
通过智能手机的GPS、指南针和气压计，该应用能远程确定某人的位置。
Taking advantage of a smart phone's GPS, compass and barometer, the app can determine the location of a person remotely.
通过智能手机的GPS、指南针和气压计，该应用能远程确定某人的位置。
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