After the bills get fronts and backs, they undergo an inspection process — a stream of air lifts each sheet so cameras can check each side for defects.

新版纸钞在正反面完成后，必须经过严格的质检流程—利用一系列的气动升降装置，通过摄像头进行双面检验。

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Such an outcome would have severe consequences, such as the collapse of the Greenland ice sheet and disruption of the Gulf Stream ocean current.

这样的结果会造成严重后果，例如格陵兰冰层崩塌以及墨西哥湾流受阻。

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The southern end of the Greenland sheet is almost on the same latitude as the Shetlands and stroked by the warm waters of the Gulf Stream.

格陵兰冰盖的南端几乎与设得兰郡（Shetlands）在同一纬度，受到墨西哥湾暖流海水的冲刷。

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Next week, if all goes according to plan, a small mountain of snow will be melted, repeatedly sterilised and then injected in a high-pressure stream of near-boiling water to clear a bore-hole through the two miles of the ice-sheet.

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The cause of this cold lurch was seemingly settled some time ago when Wallace Broecker, a Columbia University geochemist, suggested that a North American ice sheet collapsed, flooding the Atlantic with fresh water, which interrupted the normal circulation of the Gulf Stream.

WSJ: Matt Ridley on New Support for a Global-Cooling Theory | Mind & Matter