Heilongjiang also has great potential for wind power, with an average wind energy density of 200 watts per square metre.
黑龙江省有着巨大的风电发电潜力，拥有每平方公里平均风力电能密度达20 0瓦。
It is found that the ratio of the average kinetic energy of the ions to their initial average electrostatic potential energy is irrelevant to the cluster size.
研究表明，甲烷团簇爆炸后离子获得的平均动能和离子的初始平均静电势能的比值，与团簇的尺寸大小无关。
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