The United States now uses the EF (Enhanced Fujita) scale, which takes more variables into account when assigning wind speeds to a tornado.
美国现在使用EF(Enhanced Fujita)级别,在为龙卷风确定风速时,纳入了更多的变数。
The United States now uses the EF (Enhanced Fujita) scale, which takes more variables into account when assigning wind speeds to a tornado.
美国现在使用EF(Enhanced Fujita)级别,在为龙卷风确定风速时,纳入了更多的变数。
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