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utility中文什么意思

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用"utility"造句

n.
1.有用，有益；實用，【經濟學】效用；功利；〔常 pl.〕有用的東西。
2.【哲學】功利主義。
3.【戲劇】跑龍套的[演配角的]演員。
4.〔美國〕公用事業 (＝ public utility) 〔pl.〕公用事業股票。 marginal utility 【經濟學】邊際效用，限界效用。 of no utility 沒用的，無益的。adj.
1.多用途的，各種工作都會做的，通用性的。
2.實用的，經濟實惠的。
3.(牲畜)為謀利而飼養的〔不是為了玩賞的〕。
4.公用事業的，公用事業公司股票價格的。

of no utility: 沒用的, 無益的
absolute utility: 絕對效用
abstraction of utility: 效用抽象論
actual utility: 實際效用
administrative utility: 管理實用程序

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例句與用法

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Utility bills didn't amount to much .
公用事業的費用有限。
Utility companies could install and maintain them .
公用事業公司可以安裝并保養它們。
It is the purpose of soliciting funds from utility employees .
目的是向公司的雇員募捐。
The utility was entering new and uncharted territory .
公司進入了一個陌生的、未知的領域。
This is not the end of the utility of the particle concept .
粒子概念的應用并非到此為止。

英文釋義

名詞

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
同義詞：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"
同義詞：utility program, service program
a company that performs a public service; subject to government regulation
同義詞：public utility, public utility company, public-service corporation
(economics) a measure that is to be maximized in any situation involving choice

形容詞

capable of substituting in any of several positions on a team; "a utility infielder"
同義詞：substitute
used of beef; usable but inferior
同義詞：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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