[{"title":"(8个子文件10.58MB)电磁场与电磁波课件(完整)","children":[{"title":"新建文件夹(2)","children":[{"title":"7.ppt <span style='color:#111;'>2.77MB</span>","children":null,"spread":false},{"title":"8.ppt <span style='color:#111;'>3.54MB</span>","children":null,"spread":false},{"title":"6.ppt <span style='color:#111;'>2.96MB</span>","children":null,"spread":false},{"title":"3.ppt <span style='color:#111;'>2.26MB</span>","children":null,"spread":false},{"title":"1.ppt <span style='color:#111;'>968.00KB</span>","children":null,"spread":false},{"title":"5.ppt <span style='color:#111;'>1.18MB</span>","children":null,"spread":false},{"title":"4.ppt <span style='color:#111;'>2.55MB</span>","children":null,"spread":false},{"title":"2.ppt <span style='color:#111;'>1.22MB</span>","children":null,"spread":false}],"spread":true}],"spread":true}]