绘制下列U ml图表，为使用者需求和软体系统架构设定模型：活动、元件、类别、顺序和使用案例。

Model the user requirements and architecture of your software system by drawing the following UML diagrams: activity, component, class, sequence, and use case.

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uml模型具有几种检视，包括类别、元件、使用案例、活动和顺序图表。

A UML model includes several views, including class, component, use case, activity, and sequence diagrams.

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用属性关系图表示原理图中的电路线，提取元件间的连接关系。

Finally it adopts attributed relational graph to represent wire lines in drawing and extract connection relation between electrical elements.

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