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Last year December, 3 people leased in 10 lasher city 3 rooms one hall, wang Chao used the Id of cummer of week Lv arms to apply for a broadband, installed a road by implement join 4 computer.

去年12月，3人在十堰市租借了三室一厅，王超借用周吕兵女友的身份证申请了宽带，并安装了一台路由器连接4台电脑。

The set of frequent closed patterns determines exactly the complete set of all frequent patterns and is usually much smaller than the laster. Yet mining frequent closed patterns remains to be a memory and time consuming task.

频繁闭合模式集惟一确定频繁模式完全集并且尺寸小得多，然而挖掘频繁闭合模式仍然是时间与存储开销很大的任务。