英语词汇“dimensionless number”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	dimensionless number
释义	dimensionless number dimensionless number n. A number representing a physical property, such as a drag coefficient or a measure of stress, that has no scale of physical units (as of time, mass, or distance). dimensionless number dimensionless number [də′men·chən·ləs ′nəm·bər] (mathematics) A ratio of various physical properties (such as density or heat capacity) and conditions (such as flow rate or weight) of such nature that the resulting number has no defining units of weight, rate, and so on. Also known as nondimensional parameter.
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