Use this to simulate randomly changing forces on the cloth, such as wind turbulences waving a flag.

用这个来模拟随机大小的力，如随风飘扬的旗帜。

youdao

One of my earliest memories is sitting on my grandfather's shoulders, waving a flag as our astronauts returned to Hawaii.

我最早的回忆之一，就是我坐在祖父的肩头上，挥舞着小旗子，迎接宇航员们返回夏威夷。

youdao

youdao

Abdel Basset al-Megrahi received a warm welcome from flag waving Libyan supporters as he stepped off the plane Thursday in Tripoli, after his release from custody in Scotland on compassionate grounds.

VOA: standard.2009.08.21

If anyone sees Alex Salmond (or indeed Carwyn Jones) waving a flag of St George, do get in touch.

BBC: Ed Miliband says you can be both Welsh and British

Every car was waving a flag.

BBC: Fans ecstatic at Swansea City Premier League promotion

Another sign Goldman was waving a yellow flag at its trading desks: value-at-risk was also down from the second quarter.

FORBES: Goldman's Speed Bumps