符合经济效益的使用年限  economic life

无功补偿的经济效益  Economic Benefit of Reactive Compensation

一种用来分析核电厂经济效益的电子计算机程序  Concept

有经济效益的设计  cost efficient design

转化的经济效益  profitable transformation

经济效益明显  Achieved with evidential benefits

效益显著  high efficiency; high profit

广告的经济效果  Economic effects of advertising

实现经济效益、社会效益和环境效益的统一  bring about harmony of economic returns and contribution to society and environmental protection

诊疗椅旁完成的经济的美学陶瓷修复体  CEREC 3

安全经济效益  the economy benefit of safety; benefits of safety operation; safety economic benefit; safe economic benefit

安全经济效益评析  discussing safety economic benefit

边际经济效益  marginal economic benefits

产量和经济效益  Yield and economic benefit

产品品质及经济效益  quality and economical benefit of a product

电厂热经济效益  power plant heat cost

发电经济效益  economic benefits of power generating

防洪经济效益  flood control economic benefit

防洪社会经济效益  socioeconomic benefit of flood control