An inflatable lift bag brings a stalagmite to the surface to be studied for evidence of abrupt climate changes in the past.

他用一个可充气的包来运送石笋，对这些石笋的研究可以了解过去的气候是如何剧烈变化的。

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They "were associated with large and abrupt changes in surface climate," wrote Potsdam Institute climatologists Matthias Hofmann and Stefan Rahmstorf in pnas.

它们“与洋面气候出现大面积和突然的变化有关，”在《美国国家科学院学报》上发表文章的波茨坦研究所气候学家马蒂亚斯·霍夫曼和斯特凡·拉姆斯托夫认为。

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Abrupt changes in the Earth's climate system have generated much interest recently.

地球气候系统的突然变化是近年来地学研究的热点。

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The collapse of early Bronze Age civilizations in modern-day Greece, India and Greece have been theoretically linked to abrupt climate changes about 4, 200 years ago.

CNN: Past may hold clues to climate's future