American Heritage defines a utility as a commodity component that is provided for general consumption and designed for a variety of practical USES.

美国传统词典定义公用事业是作为日用组件为大众消费和设计提供不同的实际使用。

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Practical applicability means that the invention or utility model can be made or used and can produce effective results.

实用性，是指该发明或者实用新型能够制造或者使用，并且能够产生积极效果。

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Basing on study of significance of solar utility, principle and type of solar water heater utility, this paper analyses problems in practical use.

本研究从应用太阳能的意义，太阳能热水器的原理、类型、利用情况基础上分析了在实际利用中存在的问题。

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The case has both humor and practical utility.

FORBES: Partnership Needs More Than One Partner

While wording changes were belatedly introduced so as to mollify the military, the reality is that these fixes were of limited practical utility and do not begin to correct the underlying reality: Obligatory launch notifications as required by this MOU are ill-advised in the extreme.

CENTERFORSECURITYPOLICY: Clinton Legacy Watch #50 : Stealthy Accord With Ru

Agencies must collect or create only that information necessary for the proper performance of agency functions and which has practical utility.

WHITEHOUSE: CIRCULAR NO. A-130 Revised