Figure 8 shows the class diagram in UML.

图8显示了uml类图。

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But even the rather rudimentary UML class diagram in this simple example provides a lot of information.

但是，即便是这个简单例子中极其基本的UM l类图，就已经提供了相当多的信息。

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However, it is necessary to create a mechanism by which an element and an attribute can be differentiated in a UML class diagram.

然而，必须创建一种机制，通过该机制在UM l类图中区分元素和属性。

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