值得注意的是，产量性状的加性方差有降低的趋势，遗传基础可能变窄。

Special attention should be given to the decrease of the additive variance of yield trait, and this will most possibly make genetic background narrow.

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为了提高该方法的鲁棒性，通过两因子方差分析与加性模型分离人脸内因子与外因子，降低风格信息对人脸观察特征的影响。

In order to improve the robustness of this method, two-factor analysis of variance and additive model is proposed to reduce the impact of style information on face observed feature.

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