[{"title":"( 6 个子文件 7.96MB ) 哈工程2013年《信号与系统》8系信通考研复试真题","children":[{"title":"13","children":[{"title":"IMG_3336.JPG <span style='color:#111;'> 1.31MB </span>","children":null,"spread":false},{"title":"IMG_3337.JPG <span style='color:#111;'> 1.32MB </span>","children":null,"spread":false},{"title":"IMG_3339.JPG <span style='color:#111;'> 1.34MB </span>","children":null,"spread":false},{"title":"IMG_3334.JPG <span style='color:#111;'> 1.42MB </span>","children":null,"spread":false},{"title":"IMG_3335.JPG <span style='color:#111;'> 1.38MB </span>","children":null,"spread":false},{"title":"IMG_3338.JPG <span style='color:#111;'> 1.31MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]