user sessions短语²³⁷⁶⁴ 基本例句 🌏访客量；用户会话；用户访问次数 Using the user access log taken in the environment of the cluster server, we propose an implementation of user sessions clustering which is indispensable to the pre- fetching component. 实验结果表明，这种实现能有效地对用户访问日志进行聚类，并能满足服务器预取机制在线分析的时间、空间要求。 dictall