其中一种方法是基于当前最优估计值对状态方程进行线性化。

One of the algorithms is to linearized the state equation based on the optimal estimation.

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体型线性性状的遗传力估计值从0.10(蹄角度)到0.45(体高)。

Heritability estimates for linear type traits ranged from 0.10 (foot Angle) to 0.45 (stature).

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然而模型的三因素间存在着完全线性依赖性，使参数不能得出唯一的估计值，许多学者提出了各种方法加以解决。

But parameters of age, period and cohort are not uniquely estimable because of the exact linear dependency among the three variables, so many approaches have been proposed.

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