positive variance信息详情
正差异
variance───n.变异;变化;不一致;分歧;[数]方差
positive───adj.积极的;[数]正的,[医][化学]阳性的;确定的,肯定的;实际的,真实的;绝对的;n.正数;[摄]正片
variance sales───差异销售
population variance───[数]总体方差
at variance───不和;有分歧;有分歧, 不和, 不符
cost variance───成本差异,成本差额
variance calculator───方差计算器
unequal variance───[数]不等方差
variance analysis───[数]方差分析;[会计]差异分析;方差[差异]分析
The positive square root of the variance is called the standard deviation.───方差的正的平方根叫做标准差。
In typical six-phase transmission system, half positive sequence, half zero sequence and half negative sequence fault components are independent of the variance of system impedance.───在典型的六相输电系统中,半正序、半零序和半负序故障分量不受系统阻抗变化的影响。
This paper introduces the approximate calculation of real number's or of vector parameter positive function's posterior mean, variance and forecasting density in mathematical statistics.───文章介绍了数理统计中实数或向量参数的正函数的后验平均、方差和预测密度的近似计算。
Optimal Mean-Variance Portfolio with Semi- Positive Variance- Covariance Matrix───协差阵奇异时的最优投资组合
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