最近针对一些地层的一项研究提出了一些关于该地区过去形态的新理论。

A recent study of some of the formations presents some new theories about the area's past.

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过去几年的卫星观测和潜艇调查显示，极地地区的冰层减少了，但最近的测量显示，冰层的减少量比之前设想的更为明显。

Satellite observations and submarine surveys over the past few years had shown less ice in the polar region, but the recent measurements show the loss is more pronounced than previously thought.

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最近的地质证据表明，早在16,000年前，沿海岸的大部分地区就没有冰了，这与人们过去的看法相反。

Recent geologic evidence indicates that contrary to what had been believed, substantial areas along the coast were free of ice as early as 16,000 years ago.

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