| 释义 |
root-mean-square value root-mean-square value[′rüt ‚mēn ′skwer ′val·yü] Abbreviated rms value. (physics) The square root of the time average of the square of a quantity; for a periodic quantity the average is taken over one complete cycle. Also known as effective value. (statistics) The square root of the average of the squares of a series of related values. |