题目内容：

英语翻译
Second,the application of these software cost estimation methods to the three diferent use-case model levels of detail namely,brief casual,and fully-specified has strengthened the basis of this research hypothesis that the more detailed a use case model is,the more accurate the estimate ofthe software development effort.

优质解答

其次,对于使用案例的三个不同细节等级（即简洁、随意和全面细致的）所应用的软件成本估算强化了本课题的假设基础,即一个使用案例模型的细节越具体,软件开发工作的估算就会越精确.