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.
移动通信系统数据库中存储了大量的关于客户的基本信息、通话行为信息和消费信息等。
The telecommunication system has stored a large number of customer's basic information, behavior information and custom information etc.
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