[{"title":"( 116 个子文件 14.73MB ) 吴大正信号与系统全部PPT","children":[{"title":"§5.1 拉普拉斯变换.ppt <span style='color:#111;'> 144.00KB </span>","children":null,"spread":false},{"title":"§5.2 拉普拉斯变换性质.ppt <span style='color:#111;'> 208.00KB </span>","children":null,"spread":false},{"title":"§5.3 拉普拉斯逆变换.ppt <span style='color:#111;'> 252.50KB </span>","children":null,"spread":false},{"title":"共轭极点例1.ppt <span style='color:#111;'> 137.50KB </span>","children":null,"spread":false},{"title":"单阶实极点例1.ppt <span style='color:#111;'> 138.50KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多,未全部展示</span>","children":null,"spread":false}],"spread":true}]