班级：18软件工程2班

组号：18组

组员：余海鹏1814080902255 / 许浩忠1714080902438

 

Basic Use Case Model

 

Package Contents

 

Two Level Block Hierarchy

 

Two Level Requirement Hierarchy

 

Sequence Diagram

标签：Use,Level,Hierarchy,18,Two,GA006,182,1714080902438
来源： https://blog.csdn.net/weixin_48274178/article/details/110506634