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1·Phone calls cost 20c per unit off-peak.

非高峰时间电话费每单位两角。《牛津词典》

2·Protein and carbohydrate have 4 calories per gram, per unit weight.

每克每单位重量蛋白质和碳水化合物产生4卡路里。

3·Fat has twice the calories per unit weight than protein or carbohydrate sugar has, as a consequence, has the greatest survival value.

脂肪单位体重的卡路里含量是蛋白质和碳水化合物的两倍，因此，有最能维持生存的价值。

4·Because these galaxies' mass is spread out over larger areas, they have far fewer stars per unit volume than do conventional galaxies.

因为这些星系的质量分布在更大的区域，它们每单位体积的恒星数量比传统星系要少得多。

5·The game's selling price was $15 per unit.

这游戏的售价为每套15元。《牛津词典》

6·Explain how to calculate a weighted average contribution margin per unit.

解释如何计算加权单位产品贡献毛益。

7·Per unit area, per meters squared.

千克每平方米。

8·Tracy：The list price is US$110 per unit.

崔西：标价是每支美金一百一十美元。

9·In other words, it's force per unit area.

换句话说，这就是单位面积上的受力。

10·List the price per ounce instead of price per unit.

将价格单位列为每盎司而不是单元单位。