[{"title":"( 5 个子文件 5.05MB ) 北京工业大学823半导体物理16-20年考研真题.zip","children":[{"title":"半导体物理","children":[{"title":"2020-823 半导体物理.pdf <span style='color:#111;'> 370.38KB </span>","children":null,"spread":false},{"title":"2018-823半导体物理.PDF <span style='color:#111;'> 1.58MB </span>","children":null,"spread":false},{"title":"2016-823半导体物理.PDF <span style='color:#111;'> 917.75KB </span>","children":null,"spread":false},{"title":"2017-823半导体物理.PDF <span style='color:#111;'> 1.56MB </span>","children":null,"spread":false},{"title":"2019-823 半导体物理.PDF <span style='color:#111;'> 1.34MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]