[{"title":"( 4 个子文件 86.82MB ) XFLR5视频教程13-16","children":[{"title":"15 stability time response.mp4 <span style='color:#111;'> 17.99MB </span>","children":null,"spread":false},{"title":"14 Stability root locus graph.mp4 <span style='color:#111;'> 8.60MB </span>","children":null,"spread":false},{"title":"13 Stability 3D modes.mp4 <span style='color:#111;'> 43.27MB </span>","children":null,"spread":false},{"title":"16 Stability sensitivity analysis.mp4 <span style='color:#111;'> 20.45MB </span>","children":null,"spread":false}],"spread":true}]