Use-case realization sessions should produce a main output artifact; software development processes often suggest a design model composed of interaction and design class diagrams.
用例实现会议应该生成主要的输出工件，软件开发过程常常提出由交互和设计类图组成的设计模型。
Now, if I have a moderate-sized project, I might use UML and a tool that supports UML to create enough class diagrams, sequence diagrams, and others to convey the design.
现在，如果我有一个中等规模的项目，我可能会利用UML和一个支持UML的工具来创建足够的类图、序列图以及其它图来传达设计。
A realization of the service, as described by a set of call flow diagrams, begins in the design model with a single stereotyped class that extends the right framework class.
服务的实现，如一组调用流图所描述的，在设计模型中从继承正确框架类的单个原型化的类开始。
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