[{"title":"( 10 个子文件 4.08MB ) 电子科技大学《信号与系统》本科课件","children":[{"title":"信号与系统 PPT版","children":[{"title":"Chapter2.ppt <span style='color:#111;'> 398.50KB </span>","children":null,"spread":false},{"title":"Chapter3.ppt <span style='color:#111;'> 698.00KB </span>","children":null,"spread":false},{"title":"Chapter4.ppt <span style='color:#111;'> 438.00KB </span>","children":null,"spread":false},{"title":"Chapter7 2.ppt <span style='color:#111;'> 491.50KB </span>","children":null,"spread":false},{"title":"Chapter8.ppt <span style='color:#111;'> 441.00KB </span>","children":null,"spread":false},{"title":"Chapter7.ppt <span style='color:#111;'> 491.50KB </span>","children":null,"spread":false},{"title":"Chapter6.ppt <span style='color:#111;'> 823.50KB </span>","children":null,"spread":false},{"title":"Chapter1.ppt <span style='color:#111;'> 1.22MB </span>","children":null,"spread":false},{"title":"Chapter9.ppt <span style='color:#111;'> 261.50KB </span>","children":null,"spread":false},{"title":"Chapter5.ppt <span style='color:#111;'> 102.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]