Decompose your model into fragments only after its abstraction level.
只是在抽象层次下将您的模型分解为片段。
Since this information is in XML, you need to first decompose it to your object model.
因为这一信息是XML文档,所以需要先分解它并将信息放到对象模型中。
An important thing not to do is to functionally decompose your use case model; that is, do not break your use cases into smaller parts.
一件重要的事情是不要把功能分解到你的用例模型中;即,不要把你的用例打破成较小的部分。