Concerns about aircraft safety during the eruption of an Icelandic volcano in 2010 were well founded, according to a new scientific study.

通过一项新的的科学研究成果，在2010年冰岛的一座火山喷发期间的飞行器安全问题已经得到关注。

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The nature of eruption triggering, though, is not well understood.

然而触动火山喷发的原因还不是很清楚。

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Objective To discuss the connection between clinical drugs and drug eruption as well as the prevention of drug eruption.

探讨临床应用药物与药疹发生的关系以及药疹的防治。

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So, those who manage the airspace above us go to great lengths to keep aircraft well away from the ash clouds that form during an eruption.

BBC: Flying through volcanic ash clouds

Residents of nearby Nicolosi are well aware of the risks -- the historic town was almost wiped out by an eruption in 1669.

CNN: Keeping track of Etna's pulse