效用: effectiveness; efficacy; eff ...有用: useful; serviceable实用: practical; pragmatic; functi ...效用,有用: utility noun效用模型 新型 实用模型 实用新型: utilitymodel效用: effectiveness; efficacy; efficiency; utility; usefulness; avail 边际效用 [经济] marginal utility 有用: useful; serviceable 这对我们的工作非常有用。 it is of great use for our work.; 有用词 go-word; 有用功 useful work; 有用功率 available power; 有用热功率 useful thermal power; 有用信号功率 available signal power; 有用载荷 [航] useful load效用;公用事业通用的;实用的;公用事业的: utility实用: practical; pragmatic; functional 既美观, 又实用 not only beautiful, but also practical; 一味讲究实用的 severely practical; 这本小册子很实用, 而且便于查考。 the booklet is very practical and handy of reference.; 实用语言学 practical linguistics; 实用载荷 service load; 实用织物 utility cloth; 实用制 practical system反效用: disutility; negative utility负效用: disutility; negative utility功用,效用: the quality or condition of being useful; usefulness净效用: net utility利用,效用: utilization效用,效果: effectiveness效用感: sense of efficacy效用机: utility aircraft效用论: theory of utility效用面: utility surface效用值: utility value; value of utility总效用: cumulative utility; total utility顶有用: very useful对…有用: be useful to好有用: playoff很有用: of great use; quite useful