https://blog.donothing.cn/index.php/2021/12/31/lammps%e4%b8%ad%e7%9a%84atom_style%ef%bc%88%e5%8e%9f%e5%ad%90%e7%b1%bb%e5%9e%8b%ef%bc%89%e7%9a%84%e9%80%89%e6%8b%a9/