1) quadratic mean value
二次平均值
2) Quadratic average method
二次平均
3) second power average
二次幂平均
1.
This paper has proved that a plane curve c is a circle if and only if c is the locus of a moving point that has a constant second power average of distances from n fixed points.
证明了平面上一条曲线是圆的充要条件是此曲线为到n个定点的距离的二次幂平均等于正常数的点的轨迹。
4) way of the second average
二次平均法
1.
This method ascertains the enterprise quota ultimately by steps such as judging system error,eliminating bulky error,checking that whether the quantity of valid data is up to the request or not,using the way of the second average,so can avoid the fault because of the data distortion.
该方法通过判断系统误差、剔除粗大误差、检验有效数据数量是否要求、利用二次平均法等步骤最终确定企业定额,从而避免由于数据失真造成的企业定额编制失误。
5) binary mean
二元平均值
6) β power mean
β次方平均值
补充资料：二次平均值
二次平均值
quadratic mean
二次平均值【呷由简柱cmean;心脚甲aT”叼uoe cpe八“eel 给定诸数“.，a:，…，“。的平方的算术平均值(an-tll订℃tjc~n)的平方根、: ‘一、尸耳二· BC3一3【补注】二次平均值又称为均方根(root rn已In squa化). 王斯雷译
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条