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讨论了在开放计算机实验室中对用户访问Ｉｎｔｅｒｎｅｔ的实时管理问题，介绍了对访问权限实时管理及访问费用实时结算的一种实现方法。
Discusses the real-time management of user access to the Internet in an open computer laboratory, and introduces a method for real-time management of access rights and real-time settlement of access fees.