yolov5有几个等级

根据提供的引用内容，没有明确提到YOLOv5有几个等级。因此，无法回答这个问题。
#### 引用[.reference_title]
- *1* [YOLOV5入门讲解+常用数据集](https://blog.csdn.net/lbcyllqj/article/details/130467904)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* *3* [yolov5 + pyqt5 口罩识别系统实战 (yolov5、pyqt5 快速入门 ,大作业项目)](https://blog.csdn.net/qq_38737428/article/details/123070693)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
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