利用UML的用例图、类图、时序图、合作图、组件图和部署图等，定义系统需求，描述系统设计。
The system requirements and design models are defined by UML diagrams such as Use Case diagram, Class diagram, Sequence diagram, Collaboration diagram, Component diagram, and Deployment diagram.
利用UML的用例图、类图、时序图、合作图、组件图和部署图等，定义系统需求，描述系统设计。
The system requirements and design models are defined by UML diagrams such as Use Case diagram, Class diagram, Sequence diagram, Collaboration diagram, Component diagram, and Deployment diagram.
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