此活动包括识别必要的概念分析元素，以表示每个用例的行为。
This includes identifying conceptual Analysis Elements necessary to express the behavior of each use case.
它也包括了可选择输入的一些其他工作产品，像用例实现，分析类，术语表等等。
It has several other work products as optional inputs, such as use-case realization, analysis class, glossary, and so on.
在分析阶段，我们的用例实现只包括分析类及分析对象，它们能组装成不同的UML图如类图和交互图。
In analysis, our use case realization contains only analysis classes and objects, which may populate various UML diagrams such as class diagrams and interaction diagrams.
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