[{"title":"( 263 个子文件 44.52MB ) 物理学(第五版--上下册--马文蔚)课件ppt.zip","children":[{"title":"9-1简谐运动 振幅 周期和频率 相位.ppt <span style='color:#111;'> 446.50KB </span>","children":null,"spread":false},{"title":"ZDTX.SWF <span style='color:#111;'> 10.37KB </span>","children":null,"spread":false},{"title":"弹簧振子的振动.swf <span style='color:#111;'> 123.44KB </span>","children":null,"spread":false},{"title":"弹簧振子.swf <span style='color:#111;'> 13.09KB </span>","children":null,"spread":false},{"title":"9-6阻尼振动 受迫振动 共振.ppt <span style='color:#111;'> 378.00KB </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}]