...卷风的强度级别,称这次龙卷风强度为罕见的EF5级,每小时风速超过320公里,为美国目前使用的改良藤田级数(Enhanced Fujita Scale)的最强级别的龙卷风。龙卷风刚过后几小时,有关方面估算的死亡人数较高,.
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藤田级数 (Fujita Scale) 与 改进藤田级数 (Enhanced Fujita Scale) 的风速比较
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以上来源于: WordNet
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。
youdao
They measure tornadoes on the Enhanced Fujita scale or the EF scale.
VOA: special.2011.04.19
EF0 is the weakest point on the Enhanced Fujita scale and EF5 is the strongest.
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Both years saw major storms (F4 or F5 on the F0-F5 Enhanced Fujita scale) plow very long paths through densely populated territory.
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The tornado was estimated to be an EF-5, the most devastating on the Enhanced Fujita Scale, with wind speeds exceeding 200 mph.
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