Some 95 percent of Antarctica is covered by an icecap averaging .

南极洲约百分之九十五的地方被厚度差不多的常积不消的冰覆盖着。

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Large flat sheets of the icecap called ice shelves float in water near Antarctica.

大而扁平状的冰冠称作冰架，它们漂浮在南极洲周边的水域中。

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Some 95 percent of Antarctica is covered by an icecap averaging 1.6 km (1 mi) in thickness.

约百分之九十五的地方被平均厚度为1.6公里（1英里）的冰层覆盖。

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Measuring the thickness of the ice will help scientists discover how quickly the icecap is melting.

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