variance of unit weight

常见例句

A prior estimate of unit weight variance is usually calculated by the classicalFerrelo's formula.
三角洲量单位权方差的先验估值一般用经典菲列罗公式计算。
The cause is that the unit weight estimation variance and the generality variance of the distribution don't equal with each other.
产生的原因在于单位权方差与分布的总体方差不相等。
This paper defines the ratio of the unit weight estimation variance and the generality variance as the reliability index of the estimation variance.
定义了单位权估计方差与总体方差的比值作为估计方差的可靠性指标。