A UML class diagram for those classes participating in the use case on which we are focusing (sometimes called a View of participating classes class diagram.), and.

包括我们所关注的用例中出现的所有类的一个UM L类图(有时也叫做合作类视图)，和。

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A UML class diagram for those classes participating in the use case on which we are focusing (sometimes called a View of participating classes class diagram.), and.

包括我们所关注的用例中出现的所有类的一个UM L类图(有时也叫做合作类视图)，和。

youdao