定义标准模板库 (STL) 类型、 函数和运算符，以帮助构建和管理的对象，这两个对象视为就可以像在需要时可对。 对已得到广泛应用的标准c++库中。它们是必需的作为参数和返回值的各种功能和元素类型的容器 （例如类映射 和 multimap 类。
utility
- n. （煤气、水、电等的）公共服务，公用事业；（供电、供水等的）公用事业单位；应用程序，实用程序；实用，有用；<澳>小卡车，轻型货车；（博弈论，经济学）效用
- adj. 有用的，多功能的；（体育运动）多面手的；实用的
[ 复数 utilities ]
英英释义
utility [ ju:'tiləti ]
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n.
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a company that performs a public service; subject to government regulation
同义词： public utility public utility company public-service corporation
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the quality of being of practical use
同义词： usefulness
- the service (electric power or water or transportation) provided by a public utility
- (economics) a measure that is to be maximized in any situation involving choice
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(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"
- 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
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a company that performs a public service; subject to government regulation
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adj.
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used of beef; usable but inferior
同义词： utility-grade
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capable of substituting in any of several positions on a team
"a utility infielder"
同义词： substitute(a)
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used of beef; usable but inferior
以上来源于: WordNet
柯林斯英汉双解大词典
utility /juːˈtɪlɪtɪ/ CET4 TEM4
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1.
N-COUNT A utility is an important service such as water, electricity, or gas that is provided for everyone, and that everyone pays for. 公用事业
例：...public utilities such as gas, electricity and phones.
…煤气、电和电话等公用事业。
双语例句原声例句权威例句
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A third law limited the power of major companies to gain control of local electric utility companies.
VOA: special.2011.04.07
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He says, "I dispute the pretensions of any theory which sets up an imaginary standard of justice not grounded on utility."
他说，我反对任何理论,不以功利为基础，虚构公正标准“
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On the other hand, these claims about the utility of unconsciousness, I think, are provocative and interesting.
另一方面，这些关于无意识功能的主张，是很具有煽动性很有趣的。
词组短语
应用推荐
$firstVoiceSent
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