Boosting the conversion rate higher reduces the per-unit cost of generating the electricity, producing more power without requiring more space for the solar panels.

而如果电转化率提高，平均单位的发电成本就会随之降低，从而在不增加受光装置面积的情况下提高发电量。

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The Pentagon official told reporters that STOVL problems had helped cause the program's breach of the Nunn-McCurdy statute that caps per-unit cost growth on weapons.

国防部官员告诉记者，STOVL型的问题已经导致该计划违背了Nunn - McCurdy条例，据悉，该条例规定了每个单位武器装备的成本增长。

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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》

Alvarez is banking that fewer, more robust partnerships will yield economies of scale: As each distributor carries more product into stores, the overall per-unit cost of distribution will drop.

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The solar mission in its first phase focused on areas already connected to the grid and had a pricing system that bundled four units of thermal electricity with one unit of solar-based power, which reduced the average per-unit cost of solar electricity.

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For example, when the B-1A program was restarted to produce the B-1B, the per unit cost of the B-1B was three-times higher than the B-1A. Importantly, the B-1B was a modification (albeit a significant one) of the A-model and a gap of just 18 months occurred in the production line.

CENTERFORSECURITYPOLICY: Center For Security Policy