我们要千方百计提高单位面积产量。

We must do everything to raise the per-unit yield.

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我们要千方百计提高单位面积产量。

We must do everything to raise the per unit yield.

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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.

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堆料中添加30%的苜蓿草或玉米秸杆，可有效地提高单位面积产量。

Piles foresees accurately increases 30% the alfalfa or the corn straw, but effectively enhances the yield per unit of area.

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由于扩大耕地面积的可能性越来越小，研究已主要集中于提高单位面积产量。

Because of the diminishing opportunity to expand cultivated land, researches have been mostly focused on the rise of yield per unit area.

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由于扩大耕地面积的可能性越来越小，研究已主要集中于提高单位面积产量。

Because of the diminishing opportunity to expand cultivated land, researches have been mostly focused on the rise of yield per unit area.

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