Volcanic eruptions are measured on the Volcanic Explosivity Index, which goes from 0 (weakest) to 8 (strongest).
火山爆发用来衡量，这个指数从0(最弱)到8(最强)。
An eight-point scale called the "volcanic explosivity index" (VEI) allows you to compare eruptions and volcanoes.
你可以通过“火山爆发指数”(VEI)来比较喷发和火山，它把火山爆发分为8个等级。
Only one explosion in recent history has made it to 7 on the Volcanic Explosivity Index – 10 times bigger than Krakatoa.
在近代历史上只有一次火山爆发达到了7级的火山爆发强度指数，它的爆炸力是喀拉喀托火山爆发的10倍。
Safety: High flash point, flammable, without explosivity. Foam, dry powder, dry ice, steam and water can be used for extinguishing fire.
安全性：闪点较高，可燃，爆炸性：无。着火时，用泡沫、干粉、干冰、蒸汽、水等灭火。
The new research progress of the effect of additives on thermal stability and explosivity of the ammonium nitrate is systematically introduced.
就添加物对硝酸铵热稳定性及爆炸性的影响研究的最新进展情况进行了系统介绍。
From a synchronic perspective, compared with other regions, territorial disputes possess universality, complexity, explosivity and globality and so on in the Middle East.
从共时性上讲，与其他地区相比，中东地区领土争端具有普遍性、复杂性、爆炸性、全球性等特征。
Kikai weighed in at 7 on the standard volcanic explosivity index (VEI), which runs from 1 to 8, VEI 8 being reserved for the sort of mega-eruptions that cause ice ages and mass extinctions.
Kikai火山的标准火山爆炸性指数(VEI)为7。ve I分为1到8八个等级，而VEI 8则用来描述那种造成冰期和大规模灭绝的火山爆发。
Kikai weighed in at 7 on the standard volcanic explosivity index (VEI), which runs from 1 to 8, VEI 8 being reserved for the sort of mega-eruptions that cause ice ages and mass extinctions.
Kikai火山的标准火山爆炸性指数(VEI)为7。ve I分为1到8八个等级，而VEI 8则用来描述那种造成冰期和大规模灭绝的火山爆发。
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