When a drastic transition approaches, conditions fluctuate between greater extremes, and the fluctuations take longer to pass.

当剧烈的转变临近，状态在更大的极端值间波动，波动过去所需要的时间也更长。

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The controller is also configured to fluctuate the pressure in the reaction chamber between a second pressure and a third pressure through operation of the pressure intensifier.

所述控制器还构造成通过所述增压器的操作而使得所述反应腔中的压力在第二压力和第三压力之间波动。

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If there's a poster garment for modern-day winters which seem to fluctuate between the weather conditions of Seattle, the South Pole and the Arab spring it's the detachable vest.

WSJ: 'Transformer' Men's Outerwear: Action Figures