According to the distribution rules of readers' arrival interval and service time, the mathematical model for simulating library circulation system was established by the Monte Carlo methods.

根据读者到达时间间隔和借还书服务时间的分布规律，利用蒙特卡罗的方法建立了模拟图书馆流通服务系统运行过程的数学模型。

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It introduced the development of a short message system of Beijing Institute of Technology library for sending library circulation information such as the books due and available holds.

北京理工大学图书馆通过自行开发的手机短信息系统，实现了流通借阅通知的实时提醒。

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This paper introduces briefly the Library Circulation Management System WD-TLX designed for microcomputer MC-68000.

本文简单介绍了在MC - 68000微型机上设计的图书流通管理系统WD - TLX。

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