The classification of cultivation measures for spring maize was studied with the principal factor analysis and regression methods.
应用因子分析和回归方法对春玉米高产农艺措施进行了数量分类与寻优。
Make use of principal factor analysis to set up the objective evaluation system of wool-like fabrics, which can express the characters totally and objectively.
采用主因子分析方法，建立了仿毛织物的客观评价系统，比较全面而客观地表达了织物的风格特征。
Make use of principal factor analysis to set up the objective evaluation system of wool-like fabrics, which can express the characters totally and objectively.
采用主因子分析方法，建立了仿毛织物的客观评价系统，比较全面而客观地表达了织物的风格特征。
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