python安装Open CV

1、下载安装文件，清华源下载地址： https://pypi.tuna.tsinghua.edu.cn/simple/opencv-python/ 2、cmd进入whl文件所在文件夹，安装open cv pip install opencv_python-4.2.0.34-cp37-cp37m-win_amd64.whl 出现"pip is configured with locations th

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