utility [ju:'tiləti]

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n. ʵ�ã�Ч�ã�������ʩ������
adj. ʵ�õģ�ͨ�õģ��ж�����;��

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n. public utility��public utility company��service program��usefulness
a. substitute��utility-grade

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n.   inutility��unusefulness��uselessness

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1. Open Disk Utility. Create a new image with these options.
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2. Command-line utility to compare and synchronize data using the configuration file.
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3. This corresponds to the basic assumption of demand theory that consumers attempt to maximize utility.
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n.
  1. a company that performs a public service; subject to government regulation
  2. the quality of being of practical use
  3. the service (electric power or water or transportation) provided by a public utility
  4. (economics) a measure that is to be maximized in any situation involving choice
  5. (computer science) a program designed for general support of the processes of a computer
  6. a facility composed of one or more pieces of equipment connected to or part of a structure and desig
adj.
  1. used of beef; usable but inferior
  2. capable of substituting in any of several positions on a team

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utility
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public utility
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marginal utility
�߼�Ч��; ߅�HЧ��; �߼�Ч��; �߼�ЧӦ;
government utility
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total utility
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