“economic benefit of hydropower station”的概念、定义、翻译、参考文献-科学参考

单词	economic benefit of hydropower station
释义	economic benefit of hydropower station Encyclopedia 工学水能经济释 economic benefit of hydropower station水电站效益水电站为国民经济提供物质产品和服务的价值。物质产品为电力和电量；服务主要是兴利除害等经济效益和社会效益，如减免洪涝灾害、扩大城乡供水量、增大河道通航能力、发展渔业、开拓旅游等。
随便看	number theory number three in palace examination number transformation number triangle number tuple number unit number variable number wall number π number π; ratio of the circumference of a circle to its diameter numerable numerable bundle numerable covering numerable set numeral numeral control codes numeral control simulation numeralization numeral language numeral system numeralwise representability numeration numeration of Maya numeration system numeration theorem

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