[{"title":"( 3 个子文件 1.05MB ) 高频电子线路实验.rar","children":[{"title":"0553、高频电子线路实验","children":[{"title":"资料来源.txt <span style='color:#111;'> 60B </span>","children":null,"spread":false},{"title":"0553、高频电子线路实验","children":[{"title":"高频电子线路实验.pdf <span style='color:#111;'> 1.10MB </span>","children":null,"spread":false},{"title":"使用者请先阅读说明.txt <span style='color:#111;'> 29.69KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]