The crisis that has closed much of Europe's airspace for five days finally showed signs of easing yesterday as officials acknowledged flaws in the computer models that led them to ground thousands of flights after a volcanic eruption in Iceland.
导致欧洲大部分领空持续五天关闭的危机昨日终于显露出缓和迹象。有关官员承认，计算机模型中存在的缺陷使得他们在冰岛火山喷发后停飞了数千航班。
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