https://www.syu.ac.kr/blog/%ed%85%8c%eb%a7%88%ec%ba%a0%ed%8d%bc%ec%8a%a4-%ec%82%bc%ec%9c%a1%eb%8c%80-ai%c2%b7sw-%ed%8a%b9%ed%99%94-%eb%8c%80%ed%95%99%ec%9c%bc%eb%a1%9c-%ec%b2%b4%ec%a7%88-%ea%b0%9c%ec%84%a0-%eb%82%98%ec%84%a0/%ec%82%ac%ec%a7%84-%ec%82%bc%ec%9c%a1%eb%8c%80-vr-%eb%ac%bc%eb%a6%ac%ec%b9%98%eb%a3%8c-%ec%9e%84%ec%83%81%ec%8b%a4%ec%8a%b5-%ec%bd%98%ed%85%90%ec%b8%a0/