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这里的x1,y1,x2,y2是检测到某一直线的两端点坐标吗?图中有多条直线的话,是会返回多个元组吗?
https://docs.singtown.com/micropython/zh/latest/openmvcam/library/omv.image.html#image.find_lines
所有的信息,文档里都会说明。