Multidimensional scaling (MDS) is a data analysis technique that transforms proximity information into geometric information.

多维标度技术是一种把实体间相似性信息转换成空间几何信息的数据分析技术。

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The genetic relationships among the varieties were evaluated by dendrograms and Multidimensional Scaling (MDS) , showing that the tested poplar can be classified into five groups .

聚类分析和多维尺度分析将试验材料大体上分为五类， 结果不仅显示了组间不同品种的差异， 而且大体上区分了我国原生品种和外来品种。

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