[{"title":"( 2 个子文件 4.88MB ) 北京大学集成电路设计实习资料","children":[{"title":"北京大学电路设计实习","children":[{"title":"北京大学电路设计实习.pdf <span style='color:#111;'> 5.80MB </span>","children":null,"spread":false},{"title":"使用说明请参看右侧注释====〉〉.txt <span style='color:#111;'> 814B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]