root-mean-square deviation [数] 均方根差 ; 平均平方数离差
root mean square deviation 均方根偏差 ; 根均方偏差 ; 叠合后均方根误差
root-mean square deviation 均方根差 ; 平均平方根离差
mean-square deviation of velocity 流速均方差
mean square deviation [数] 均方差 ; [数] 均方离差
MSD mean square deviation 均方偏差
mean square deviation index 均方差指标
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Introduces the principle of Variance addition and sets forth the related problems on calculating the mean-square deviation in practical application.
介绍方差相加原理,阐述均方差计算在实际应用中的有关问题。
The method assumes that the corresponding mean-square deviation of optical intensity is minimum when the fitting values are most close to the measured values.
该方法假定当拟合值与测量值最接近时,对应光强的均方差最小。
The non-homogeneous metal flow during the extrusion forming process was well controlled by introducing a non-equilibrium parameter of metal flow, the mean-square deviation of velocity (SDV).
通过引进一个反映金属流速不均衡性的参数———流速均方差,有效地控制型材挤压成形时金属流动的不均匀性。
What we want to do now is compute the mean and variance of the portfolio-- or the mean and standard deviation, since standard deviation is the square root of the variance-- for different combinations of the portfolios.
我们现在要做的是,计算这个投资组合的均值和方差-,或者均值和标准差,因为标准差的平方就等于方差-,这对任何投资组合都是一样的。
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