Unified Modeling Language is a kind of standard and powerful modeling language. This paper introduces the basic model of UML, and takes the analysis and design of library management sys-tem as an example, introduces the modeling process of UML by means of ROSE.%统一建模语言( Unified Modeling Language)是一种标准的、功能强大的建模语言. 该文介绍了UML基本模型,并以图书管理系统的分析和设计为例,借助ROSE工具详细介绍了UML的实际建模过程.
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