1、
Prices in 2013 were also affected by an important cyclical factor – sea temperatures.
2013年的三文鱼价格还受到一个重要周期性因素的影响&海水温度。
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2、
The rise and fall in demand in accordance to economic activities is the cyclical factor.
供需情况依经济活动而变化是周期因素。
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