perception

感知机

然后就可以直接写了 keyi

下面的符号表示下面的在博客首页不显示也就是我在博客首页的阅读全文那个按钮

Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub.