For the litter size, variance components of maternal gametic effects were about twice than that of paternal gametic effects.
而在产羔数上，母系印迹效应方差大约是父系印迹效应方差的两倍。
The unknown parameters of this model are divided into two categories: one is the fixed effects, and the other is the variance components.
这种模型的未知参数分两类，一类是固定效应，一类是方差分量。
It is known that during the side and Angle adjustment of networks, it is necessary to do the variance components estimation to make the weights of observations rational.
众所周知，边角网平差时应进行方差分量估计，以使观测权趋于合理。
In this paper, the covariance matrix of random effect in linear mixed model is extended to positive matrix. We construct the estimation of variance components based on the idea of ANOVA estimation.
将线性混合模型中随机效应的协方差阵推广为正定阵，运用方差分析估计的方法给出了方差分量的估计。
Variance components estimated by MINQUE method can be used in significance test for linear contrasts of variety effects.
用MINQUE法估算各项方差分量，然后对品种效应的线性对比作显著性测验。
Variance components estimated by MINQUE method can be used in significance test for linear contrasts of variety effects.
用MINQUE法估算各项方差分量，然后对品种效应的线性对比作显著性测验。
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