utility是什么意思

utility中文什么意思

n.
1.有用，有益；实用，【经济学】效用；功利；〔常 pl.〕有用的东西。
2.【哲学】功利主义。
3.【戏剧】跑龙套的[演配角的]演员。
4.〔美国〕公用事业 (＝ public utility) 〔pl.〕公用事业股票。 marginal utility 【经济学】边际效用，限界效用。 of no utility 没用的，无益的。adj.
1.多用途的，各种工作都会做的，通用性的。
2.实用的，经济实惠的。
3.(牲畜)为谋利而饲养的〔不是为了玩赏的〕。
4.公用事业的，公用事业公司股票价格的。

of no utility: 没用的, 无益的
absolute utility: 绝对效用
abstraction of utility: 效用抽象论
actual utility: 实际效用
administrative utility: 管理实用程序

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例句与用法

Some municipalities operate their own public utilities .
有些城市自行经营自己的公用事业。
This does not, however, detract from the utility of the terms .
但这并不妨碍使用这些术语。
Not so long ago utility bills didn't amount to much .
没多久以前，用于公用事业的费用很有限。
This ware is suitable for decorative purpose but unsuitable for utility .
这种器皿中看不中用。
The power utilities will need to quadruple their capacity .
电力事业必须使它们的能力增加三倍。

英文释义

名词

the service (electric power or water or transportation) provided by a public utility; "the cost of utilities never decreases"; "all the utilities were lost after the hurricane"
a facility composed of one or more pieces of equipment connected to or part of a structure and designed to provide a service such as heat or electricity or water or sewage disposal; "the price of the house included all utilities"
the quality of being of practical use
同义词：usefulness
(computer science) a program designed for general support of the processes of a computer; "a computer system provides utility programs to perform the tasks needed by most users"
同义词：utility program, service program
a company that performs a public service; subject to government regulation
同义词：public utility, public utility company, public-service corporation
(economics) a measure that is to be maximized in any situation involving choice

形容词

capable of substituting in any of several positions on a team; "a utility infielder"
同义词：substitute
used of beef; usable but inferior
同义词：utility-grade

In economics, utility is a representation of preferences over some set of goods and services. Preferences have a (continuous) utility representation so long as they are transitive, complete, and continuous.

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