Operation IceBridge is now in the third of six annual field campaigns to Antarctica from Punta Arenas, Chile.

“冰桥行动”从智利的蓬塔·阿雷纳斯开始的对南极进行的6个年度实地考察的第三个。

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In the largest airborne survey of Earth's polar ice, the airplanes of Operation IceBridge carry an array of instruments to measure the ice from top to bottom.

在对地球极地冰川进行的最大的一次空中调查中，执行“冰桥行动”的飞机携带了很多仪器从头到脚对冰川进行了测量。

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The rift (pictured, around 80 metres wide and 50 metres deep) was first seen in mid-October by NASA's Operation IceBridge project, which released images last week.

这条裂纹最初由NASA的“冰桥行动”组在10月中发现，照片在上周发布。

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