python安装MMCV时报错

需要使用pytorch版本R3det跑人工智能程序，安装中卡在安装MMCV包上。
目前python3.7.12，VS2022，CUDA11.2

问题相关代码，请勿粘贴截图

pip install mmcv==0.5.9

运行结果及报错内容

"C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.31.31103\bin\HostX86\x64\cl.exe" /c /nologo /O2 /W3 /GL /DNDEBUG /MD -IC:\Users\Immortals\anaconda3\envs\r3det\lib\site-packages\numpy\core\include -IC:\Users\Immortals\anaconda3\envs\r3det\include -IC:\Users\Immortals\anaconda3\envs\r3det\Include "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.31.31103\include" /EHsc /Tp./mmcv/video/optflow_warp/flow_warp.cpp /Fobuild\temp.win-amd64-3.7\Release./mmcv/video/optflow_warp/flow_warp.obj
flow_warp.cpp
C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.31.31103\include\string.h(31): fatal error C1189: #error: ERROR: Use of C runtime library internal header file.
error: command 'C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.31.31103\bin\HostX86\x64\cl.exe' failed with exit code 2
----------------------------------------
ERROR: Command errored out with exit status 1: 'C:\Users\Immortals\anaconda3\envs\r3det\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\IMMORT1\AppData\Local\Temp\pip-install-eu1lpn4d\mmcv\setup.py'"'"'; file='"'"'C:\Users\IMMORT1\AppData\Local\Temp\pip-install-eu1lpn4d\mmcv\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' install --record 'C:\Users\IMMORT~1\AppData\Local\Temp\pip-record-t5aldk2t\install-record.txt' --single-version-externally-managed --compile Check the logs for full command output

我的解答思路和尝试过的方法

在最后说查看日志来获取解答，但是不会查看日志，一开始说缺少C的包，后面把包装上了，报string.h（31）那个错误

更新pip版本
使用管理员权限打开cmd进入虚机环境[如果你不是这不用进去]安装,

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