Each term of the Bernoulli equation has the dimension of force per unit area.
伯努利方程中的每一项的量纲都是单位面积上的力。
The drag is a force per unit area of the layer.
拖力是流层单位面积的力。
The drag is a force per unit area of the layer.
提高现有耕地单位面积产量有潜力。
The drag is a force per unit area of the layer.
我们要千方百计提高单位面积产量。
The drag is a force per unit area of the layer.
我们要千方百计提高单位面积产量。
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