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【请教】什么是材料优值？
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给个定义... [ Last edited by FLY_Phoenix on 2008-12-24 at 21:38 ] |
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2楼2008-12-25 07:08:06
3楼2008-12-25 18:49:58
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Figure of merit is a quantity used to characterize the performance of a device relative to other devices of the same type. In engineering, figures of merit are often defined for particular materials or devices in order to determine their relative utility for an application. In commerce, such figures are often used as a marketing tool to convince consumers to choose a particular brand. figure of merit Definition Numerical value representing a measure of effectiveness, efficiency, performance or other important factor, and ascertained or approximated from analysis, appraisal, or estimation techniques. |
4楼2008-12-25 20:18:06
