The dated isotope record shows that the fluctuations in global ice volume over the past several hundred thousand years have a pattern: an ice age occurs roughly once every 100,000 years.

同位素年代记录显示，过去几十万年全球冰量的波动有一个模式：冰河期大约每10万年发生一次。

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Yet shifts in the pattern of global growth and the dollar are laying the groundwork for a boom in exports.

但全球经济增长方式的转变和美元地位的变化都为出口大幅增长奠定了基础。

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But the data shows changes in the pattern of global energy consumption that are likely to indicate long-term change.

但是数据显示，全球能源消费模式的变化将很可能预示着长期的改变。

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But he believes more cores are needed from different regions, and is proposing to drill in other parts of the Arctic, notably areas north of Russia and east Asia, to establish the global pattern.

BBC: Coal's toxic legacy to the Arctic

Given the broader concerns about global growth and weakening demand for crude oil in the months ahead, this triangle could be a potential topping pattern.

FORBES: Crude Oil Wants To Slip Below $80 Again, Test $78