https://blog.csdn.net/weixin_41481113/article/details/88410973
conda install xxx
# 卸载
conda uninstall xxx
# 指定版本安装, 以tensorflow-gpu1.4.0为例
anaconda search -t conda tensorflow-gpu //搜索安装包
# 显示指定安装包的安装源
anaconda show cjj3779/tensorflow-gpu
# 安装
conda install --channel https://conda.anaconda.org/cjj3779 tensorflow-gpu