[{"title":"( 4 个子文件 46.9MB ) Qt4中学习使用QtCharts绘图二:声波绘制","children":[{"title":"说明.txt <span style='color:#111;'> 234B </span>","children":null,"spread":false},{"title":"QtChart_Audio.zip <span style='color:#111;'> 31.71MB </span>","children":null,"spread":false},{"title":"Example_bin.zip <span style='color:#111;'> 7.13MB </span>","children":null,"spread":false},{"title":"Libs.zip <span style='color:#111;'> 8.26MB </span>","children":null,"spread":false}],"spread":true}]