1.
It's very important to understand what the mean-variance frontier actually means.
要理解边界上的平均方差真正的含义是非常重要的。
2.
The variance is simply the average squared difference of all numbers from their mean or average value.
方差就是各个数的中值（或平均值）与各个数的差值的平方的平均值。
3.
unbias(s)ed variance
无偏方差, 均方差
4.
The results reveal that the combined forecasting model is more effective.
结果表明，此组合预测平均误差和预测平方根误差均较小。
5.
the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value.
接近平均数的二阶矩；平均值随机变量的偏差的平方的期待值。
6.
single plane mean outside diameter deviation
单一平面平均外径偏差
7.
single plane mean bore deviation
单一平面平均内径偏差
8.
a theoretical distribution with finite mean and variance.
平均数和方差数都为有限的一个理论分布。
9.
Returns the sum of squares of deviations of data points from their sample mean
返回各数据点与数据均值点之差（数据偏差）的平方和
10.
Averages, standard deviations, and variances are not supported when a PivotTable report has calculated items.
在数据透视表有计算项时，平均值、标准偏差和方差计算不被支持。
11.
A method based on standard and mean deviations for determining the weight coefficients of multiple attributes and its applications;
基于标准差和平均差的权系数确定方法及其应用
12.
deviation of sampling average from general average
抽样平均数和总平均数的离差
13.
age absolute relative error
平均相对误差绝对值
14.
average absolute relative deviatio
平均相对离差绝对值
15.
floating average position action
无静差的平均位置作用
16.
an extreme deviation from the mean.
与平均数偏差最大的值。
17.
experimental standard deviation of the mean
平均值的实验标准偏差
18.
A new pattern matching method for eliminating noise components in output signals of CdTe detectors--The smallest average residue value method
CdTe探测器信号的模型匹配方法——最小平均残差值方法