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图1:上架新菜的顺序图
![上架新菜顺序图](https://raw.githubusercontent.com/Zouhhhhh/uml-modeling-2020/master/students/1714080902624/%E4%B8%8A%E6%9E%B6%E6%96%B0%E8%8F%9C%E9%A1%BA%E5%BA%8F%E5%9B%BE.jpg)
图2:下架菜品的顺序图
![下架菜品顺序图](https://raw.githubusercontent.com/Zouhhhhh/uml-modeling-2020/master/students/1714080902624/%E4%B8%8B%E6%9E%B6%E8%8F%9C%E5%93%81%E9%A1%BA%E5%BA%8F%E5%9B%BE.jpg)