The maximum yield of corn kernel and straw crude protein in unit area is critical factor to determine the optimum harvesting maturity stage of corn.

单位面积上玉米子实和秸秆粗蛋白最大产量，是确定玉米最适收获时期的关键因素。

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A key difference is that this algorithm does not give the same value at the sampling point but gives the same average value in unit area of each pixel.

此算法的关键不同点在于不是让算法结果在采样点的值等于原采样值，而是在一个象素大小的单位面积上得到的平均值等于原采样值。

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From the three experimental cultivars, under different densities, the branches number and length of branches in unit area increased along with the increase of density.

不同处理下，供试三个品种单位面积条数、单位面积条长变化均随日期、密度增加而增加。

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They can carry five to 20 times more current in the same unit area while reducing the amount of energy lost as heat by 75-97% (depending on whether the current is alternating or direct), even after accounting for all the nitrogen-cooling paraphernalia.

ECONOMIST: Inside story

Energy density refers to the quantity of energy that can be contained in a given unit of volume, area, or mass.

FORBES: Magazine Article

The Salvation Army handed out 1, 000 personal hygiene kits to residents in three counties and would bring a mobile shower unit to people displaced by the floods in the Lake City area.

MSN: Debby aftermath: Flooded homes, busted roads