平方平均数 píng fāng píng jūn shù

DEFINITIONS

  1. root mean square (RMS)
  2. quadratic root

CHARACTERS

平 píng
HSK 3
flat, level, even; peaceful
方 fāng
HSK 3
a square, rectangle; a region; local
平 píng
HSK 3
flat, level, even; peaceful
均 jūn
HSK 5
equal, even, fair; all, also
数 shù
HSK 3
number; several, count; fate