风的强度,是用风级来表示的,世界上最早给风定级的,是我国唐代天文学家李淳风。李淳风进行了长期考察,在取得大量第一手资料的基础上,创建了八级风力标准,这就是:一级:叶动;二级:鸣条(即 The strength of the wind is expressed by the wind level. The earliest wind grading in the world is the astronomer Li Chunfeng in the Tang Dynasty. Lee Chun-feng conducted a long-term investigation, obtained a large number of first-hand information on the basis of creating eight wind standards, which is: a: Ye move; two: the sound bar (ie