WSDL通过提供包含这些信息的不同元素来支持接口和实现的分离。
WSDL supports the separation of interface and implementation by providing different elements that contain this information.
如果存在任何与遗留数据和服务的集成，对那些元素的接口也需要被建模。
If there is any integration with legacy data and services, the interfaces to those elements may also need to be modeled.
情节串联模板描述了实现用例的用户接口元素的导航，从而支持相应的用户目标。
Storyboards describe the navigation through User Interface elements that realizes the Use Case, and thus supports the corresponding User Goals.
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