平方平均數

Simplified: 平方平均数

píngfāngpíngjūnshù ㄆㄧㄥˊ ㄈㄤ ㄆㄧㄥˊ ㄐㄩㄣ ㄕㄨˋ

    • root mean square (RMS)
    • quadratic root

Character by character

Sources