https://blog.gongquiz.com/2021/10/14/%ea%b8%88%ec%86%8d%ec%9d%98-%ec%97%b4%ed%92%80%eb%a6%bcannealing-%ec%a4%91-%ed%95%ad%ec%98%a8%eb%83%89%ea%b0%81%ec%97%90-%eb%8c%80%ed%95%9c-%ec%84%a4%eb%aa%85%ec%9c%bc%eb%a1%9c-%ec%98%ac%eb%b0%94/