You can see the basic survey class structure in Figure 1.

您可以在图1中看到这个基本调查类的结构。

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This represents the one XML element (from Listing 1) and is the basic structure for the class hierarchy.

它表示一个XML元素(来自清单1)，是类层次的基本结构。

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This is because the class diagram provides the basic building blocks for all other structure diagrams, such as the component or object diagrams (just to name a few).

这是因为类图为所有的其他结构图提供基本的构建块。如组件或对象图(仅仅是举了些例子)。

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