However, current digital library systems all assume that users are stationary.
但是，目前的数字图书馆系统都假定用户访问信息时是静止的。
While mobile computing technology is developing rapidly, more and more users would like to access digital library systems through wireless mobile mode.
随着移动计算技术的飞速发展，越来越多的用户将通过无线移动方式访问数字图书馆。
All existing digital library systems in China are focused on providing services to users, and have hardly any relationship with the interactions of users and librarians.
我国现有的数字图书馆系统都是以向用户提供服务为中心，较少涉及用户与馆员之间的交流和相互学习。
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