The Beaufort scale () is an empirical measure that relates wind speed to observed conditions at sea or on land. Its full name is the Beaufort wind force scale, although it is a measure of wind speed and not of "force" in the scientific sense of the word.
例句与用法
1.
What is the beaufort scale 什么是蒲福氏风级？
2.
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。
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