数据采集系统就是通过读取Unix 系统日志文件中用户

登入/登出信息，并找出成对的登入/登出记录，得到用户登录实验室的登入时刻、登出时刻、

登录时间长度等电信用户收费需要使用的数据，最后把匹配处理好的数据保存成电信工作人

员可以阅读的文本文件，做为电信收费依据

-Data acquisition system is by reading the Unix system log file users



Login/to log out information, and find out the pairs of login/logout records, get users to log on laboratory moments, logout moment, log in



Login time length and so on telecom user fees needs to use the data, and finally the matching processing good data storage into telecom



Member can read text files, as telecommunications charges basis