| 单词 | root mean square |
| 释义 | root mean squarenoun Mathematics.the square root of the arithmetic mean of the squares of the numbers in a given set of numbers. Abbreviation: rms Origin of root mean squareFirst recorded in 1890–95 Words nearby root mean squarerootkit, root knot, rootle, rootless, rootlet, root mean square, root nodule, root of lung, root of nail, root of penis, root of the matter Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for root mean squareroot mean square nounthe square root of the average of the squares of a set of numbers or quantitiesthe root mean square of 1, 2, and 4 is √[(1² + 2² + 4²)/3] = √7 Abbreviation: rms Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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