应用主因子法对烤烟主要化学成分进行分析。

The principal factor method were applied to analyze the main chemical components of the flue-cured tobacco.

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使用因子分析法提取出对消费者服装网络购买产生影响的主因子，再通过聚类分析法将消费者分成不同的消费类型。

The research was done on the customers'needs and differ customer to different styles by the factor and cluster analysis.

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应用主因子分析法探讨了氧化淀粉改性脲醛树脂的合成工艺中，游离甲醛含量、 固含量、贮存稳定性、 剪切强度等主要技术指标的影响因素。

Primary factor analysis was used in this paper to analyze the factors which affect the main index such as free CH2O content, shear strength, solids content and stability.

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