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单词 root-mean-square value
释义 root-mean-square value
[`rüt ´mēn `skwer `val·yü]
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.
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