https://www.cnblogs.com/xiamuzi/p/13470890.html
pytorch安装：
https://blog.csdn.net/weixin_49496731/article/details/115737212?ops_request_misc=&request_id=&biz_id=102&utm_term=cuda11.0%E5%AF%B9%E5%BA%94pytorch&utm_medium=distribute.pc_search_result.none-task-blog-2allsobaiduweb~default-0-115737212.nonecase&spm=1018.2226.3001.4187
轮子：在这里下符合你们python版本的torch
https://download.pytorch.org/whl/torch_stable.html
然后cmd输入pip install D:torch-1.2.0-cp37-cp37m-win_amd64.whl
