Average wind speeds can be 20 percent higher than on land, and the resulting energy yield from wind farms as much as 70 percent higher.

平均风速比陆上的超过20%以上，由此风场产生的电力发电量也多达70%以上。

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The relationship between local mean wind speeds and swell significant wave heights for long period has quantitatively estimated from the superposition equation of energy.

并从能量叠加平衡方程，近似定量估计出大洋中长历时涌浪有效波高与局地平均风速的关系。

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