均方根

jūnfānggēn
  1. (mathematics) root mean square
  2. root mean square

Wiktionary

Entry Composition

1 均方 jūnfāng mean square
2 根 gēn
  1. root
  2. basis
  3. classifier for long slender objects, e.g. cigarettes, guitar strings
  4. radical (chemistry)

classifier: 條