per unit weight

perhaps a key adaptive advantage of the angiosperm is their ability to construct wood with much less expenditure of energy per unit weight.

也许被子植物适应优势的秘诀就在于它们有能力形成每单位重量的木材可支付少得多的能。

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density is usually product cost per unit weight than the transportation cost of the product density is higher.

通常密度小的产品每单位重量所花费的运输成本比密度大的产品要高。

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higher efficiency of calcium oxide per unit weight, lower price and reduced transport space requirement militate in favour of burned lime

单位重量的生石灰的高效能，低价和较小的运输空间要求使得烧石灰倍受宠爱

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It is frequently referred to as "pressure head" when expressed in terms of energy per unit weight of water.

当以单位水重的能量来表达时，经常看作为压头。

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The foam metal nickel has the advantage of good heat conductivity and the molten salt has the advantage of large heat storage quantity per unit weight or volume.

泡沫金属镍具有传热性能好，熔融盐具有蓄热量大、化学稳定性好等优点。

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Latent heat thermal storage has the advantage of large heat storage quantity per unit weight or volume and good chemical stability and safety, but when the phase changes the heat conductivity is poor at the interface of liquid and solid.

潜热储热一般具有蓄热量较大，化学稳定性好等优点，但相变化时液固两相界面处的传热效果差。

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heat emission per unit weight of radiator

散热器单位质量散热量

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Shrinkflation is a rise in the general price level of goods per unit weight or size, with a corresponding reduction in the weight or size of the item sold.

商品的每单位重量或体积的总体价格提高了，因此所出售商品的重量或体积就相应减少了，这就是“缩水式通胀”。

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