Ray
Ray
可以看官方文档：[项目](https://github.com/cofess/hexo-theme-pure/blob/master/README.cn.md#项目) 个人搭建参考：https://ra4-z.github.io
> This is to determine if an obstacle is still or not. We first check its speed, then determine based on its historical movements. Is there any theory or equation...
Exactly