After understanding the logical components and their integration on a high level, now move from the high-level overview into a more detailed component model view, as shown in Figure 3.

了解了逻辑组件及其集成的概况之后，现在看看更详细的组件模型视图，见图3。

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For the sake of clarity, in this example, we have chosen to represent the physical model with a high-level illustrated diagram first, and then with a more detailed textual one.

出于清晰性的考虑，在本例中，我们选择首先使用高层次演示图来呈现一个物理模型，然后使用一个更加具体的结构图。

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The UML model may not be specific enough (because it's a high-level view) to enable meaningful derivation of XML schema (low-level, detailed model).

uml模型可能不够具体(因为是一种高级视图)，无法派生出有意义的XML模式(低级的、详细的模型)。

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