客户端每分钟就会与服务器进行若干次同步，上传通话记录，位置，时间和其他信息。
The client would sync with the server several times per minute, updating the system with call history, location, time, and other information.
他的对讲机发出嘶嘶声，通话的另一方询问他的位置。
His walkie talkie hisses, a voice at the other end asks for his location.
调查还发现，超过80%的美国手机用户都会通过语音通话来分享自己的地理位置。
The study also discovered that more than 80% of US mobile phone users say they use voice calls to share their location.
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