3 The Use Case describe the system function of the comprehension for external executor.
用例模型描述的是外部执行者所理解的系统功能,即从用户角度描述系统功能,并指出各功能的操作者。
3 This paper explains a user-centered process of software requirements elicitation on the basis of requirement hierarchy, in which Use Case Driven Analysis is used to elicit software requirements at different requirement level according to user′ s goals.
本文在对软件需求进行层次划分的基础上,探讨了一个以用户为中心,使用用例驱动分析技术依据用户目标获取不同层次的软件需求的过程。
4 Rosenberg, Doug. Use Case Driven Object Modeling with UML.
道格.罗森伯格所着,《UML用于以案例导向物件的模式建造》。