python安裝Open CV

1、下載安裝文件，清華源下載地址： https://pypi.tuna.tsinghua.edu.cn/simple/opencv-python/ 2、cmd進入whl文件所在文件夾，安裝open cv pip install opencv_python-4.2.0.34-cp37-cp37m-win_amd64.whl 出現"pip is configured with locations th

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