经r型聚类分析，得到影响核电厂安全的组织因素分类。
Moreover, the categories of organizational factors relative to safety are obtained with R-type clustering.
并利用R型聚类分析和R型因子分析，分别提取四组元素组合和四个主因子。
Four groups of elemental associations and four main factors were obtained respectively by using R-type cluster analysis and R-type factor analysis.
通过Q型聚类分析，综合考虑多个性状，反映出各品种之间的亲缘及演化关系。
Model Q cluster analysis was used to develop the kinship and evolution relation among these varieties based on various characteristics.
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