[{"title":"( 5 个子文件 934.43MB ) 9.ROS小车视频教程","children":[{"title":"4.视觉巡线.mp4 <span style='color:#111;'> 62.53MB </span>","children":null,"spread":false},{"title":"3.色块跟踪.mp4 <span style='color:#111;'> 341.10MB </span>","children":null,"spread":false},{"title":"5.ROS_APP图传.mp4 <span style='color:#111;'> 145.49MB </span>","children":null,"spread":false},{"title":"1.激光雷达跟随.mp4 <span style='color:#111;'> 235.40MB </span>","children":null,"spread":false},{"title":"2.查看RGB摄像头和深度摄像头.mp4 <span style='color:#111;'> 160.70MB </span>","children":null,"spread":false}],"spread":true}]