Which of the following on the beaufort scale of wind force is equivalent to strong winds 以下那一级别在蒲福氏风级中代表强风?
3.
The beaufort scale is divided into 13 levels , from the calm wind of force 0 to hurricane wind of force 12 蒲福氏风级分为十三级,从无风的零级到飓风的十二级。
4.
Wind speed is the speed of the air flow . it is usually expressed in kilometres per hour or as a force on the beaufort scale 风速是指空气的移动速度,一般以公里每小时或蒲福氏风级来表示。
5.
Wind speed is the speed of the air flow . it is usually expressed in kilometres per hour or as a force on the beaufort scale 风速是指空气的移动速度,一般以公里每小时或蒲福氏风级来表示。