The system development is divided into 5 steps: use case modeling, class diagram analysis, database design, program implementation, installation manual.
本系统实现分成五步：分别是用例建模、类图分析、数据库设计、程序实现、安装手册。
And once we identify our class responsibilities, we should construct an analysis class diagram to capture the structure of the relationships among our classes.
一旦我们确定了我们的类的职责，我们就可以设计一个分析类图，来描述类间关系的整体结构。
Notice how the analysis is performed, and you start seeing more information about the simple class diagram you created.
注意一下如何执行分析的，而且你开始看到更多关于你创建好的简单类图的信息。
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