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根据组分多度比较分析的概念，建立了组分多度相似相异百分率的计算公式和两个详略不同的相似相异等级标准。根据对三尖杉属（Cephalotaxus）在云南的分布格局间的亲和性分析，表明组分多度比较分析具有了分析严密、计算简单和结果直观等优点。
According to the concept of component degree of comparative analysis, a formula for calculating the percentage dissimilarity of multiple degrees of components and two different levels of similarity and dissimilarity levels are established. According to the analysis of the distribution of Cephalotaxus in Yunnan, the comparative analysis of component abundance has the advantages of rigorous analysis, simple calculation and intuitive result.