为了计算用户最终看到的页面，WebSphere Portal会将每个细化操作所定义的页面片段合并到一起。
To compute the page that a user finally sees, the WebSphere Portal merges the page fragments defined by each successive refinement.
所有的将通过已经被细化的用例操作的业务实体，以及它们的属性和子分类已经被定义。
All the business entities that will be manipulated by the use case have been detailed, and their attributes and subcategorization have been defined.
这些模型由一组业务定义组成，它们主要是细化与整个模型集相关的业务概念功能和操作。
These models consist of a set of business definitions, primarily detailing the business concepts functions and actions that are considered across the model set.
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