正在加载视频...
视频加载失败
A water hose can be attached to a speaker so that it vibrates at a certain frequency, say 27 Hz. You can see this effect through a 24 fps camera and if you change the vibration frequency you see a different pattern [📹edgarciancio885]
0 条评论
暂无评论
原始帖子的评论将显示在这里
