将“variance"翻译成中文

The degrees of freedom for the median and variance curves varied between the boys' and girls' standards.

中位数和方差曲线的自由度在男童和女童的标准之间有差异。

The variance is attributable to additional requirements related to the proposed new posts and general temporary assistance positions.

出现差异是因为拟议新设员额和一般临时人员职位需要增加所需经费。

The change in standards of travel for the experts also contributes to the variance.

专家差旅标准的变化也是导致差异的一个因素。