The snowcapped peaks are Mount Griggs and (far right), part of an active system of ten volcanoes surrounding the valley, a hundred miles south of the proposed Pebble mine.

这两座山是建议开发的卵石矿南面一百英里的山谷周围十个活跃火山系统中的一个部分。

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This measure averages earnings over ten years to smooth out the peaks and troughs of the economic cycle.

这种测度方法将十年的收益平均，以消除经济周期的波谷和波底所带来的影响。

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In Geoff and Suzanne's case they have ten years to ride out the peaks and troughs of the market and come out the other side having turned a healthy investment profit.

BBC: University challenged