In the long run, the price of any given commodity should revert to the cost of producing an incremental unit of supply.

最后，任何给定农产品和矿产品的价格都应该回归到供给增加任何一单位生产的成本。

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Should there be any trouble with the boiler, the automatic controlling unit would cut off the fuel oil supply.

假如锅炉出问题的话，自控装置会自动切断燃油的供给。

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The first 14-foot test unit produced enough energy to supply 150 average European homes and saved the emission of over 450 tons of CO 2 greenhouse gas each year.

其首个14英尺高的试验装置所产生的电能足以供给平均150户欧洲家庭，从而每年消减超过450万吨的二氧化碳温室气体排放。

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In the long run, the price of any given commodity should revert to the cost of producing an incremental unit of supply.

ECONOMIST: Commodities

The M78 also carries a UL Environment Gold rating and, as an option, can use a highly efficient 80 Plus Platinum power supply unit (PSU).

ENGADGET: Lenovo intros ThinkCentre M78 with AMD A-Series APU and a starting price of $449

The internal design architecture of the new PS3 system, from the main semiconductors and power supply unit to the cooling mechanism, has been completely redesigned, achieving a much slimmer and lighter body.

ENGADGET: Sony unveils slimmer PS3: $300, lands in September (updated!)