[Root mean square - Wikipedia, the free encyclopedia] https://en.wikipedia.org/wiki/Root_mean_square
In statistics, the root mean square (abbreviated RMS or rms), also known as the quadratic mean, is defined as the square root of the arithmetic mean of the ...
[平方平均数- 维基百科,自由的百科全书] https://zh.wikipedia.org/zh-tw/%E5%B9%B3%E6%96%B9%E5%B9%B3%E5%9D%87%E6%95%B0
平方平均数(Quadratic mean),簡稱方均根(Root Mean Square,縮寫為RMS),是2次方的廣義平均數的表达式,也可叫做2次冪平均數。其計算公式是:.
[RMS: Risk Management Solutions] http://www.rms.com/
RMS is the world's leading catastrophe risk modeling company. RMS helps financial institutions and public agencies understand, quantify, and manage risk.