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凑八个字符啦啦啦啦啦啦
没看懂，什么意思？
如果是结果，直接print，如果是图片，IDE的framebuffer可以直接看到。
我正在做一个识别激光灯点的实验，我想过拍摄打开和关闭激光灯的两张图来判断激光点的位置，就是不知道该怎么处理这两张图，用sub吗，还是difference，总之我想先把运算完的结果显示到buffer上观察