...ncy ; cost-effective ; cost-benefit 土地效益 land efficiency ; land ability ; las well as efficiency ; earth efficiency 效益农业 profitable agriculture ..
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Friends of the Earth, for example, says the efficiency of stoves is irrelevant if they burn renewable fuels such as dung or wood, as those in poor countries often do.
譬如,地球之友表示如果像在贫困国家那样,炉灶通常燃烧畜粪或木料等可再生燃料,那么其效用就与此无关了。
"Efficiency isn't enough, " says Richard Dyer, aviation campaigner for Friends of the Earth. "To go on raising emissions isn't acceptable."
地球之友的航空工业宣讲员理查德·戴尔表示:“仅仅提高效率是远远不够的,而继续增加排放是不能接受的。”
The principle advantage of the REPM (rare -earth permanent magnet) generator over the common one is high efficiency and high reliability, and the weight between them is approximately equal.
采用稀土永磁材料的发电机在可靠性及效率上优于普通发电机,体积重量也相匹敌。
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