Sankey diagrams

These diagrams describe degrees of affinity between fields, which are explained in the manuscript "Measuring the affinity between research fields using academic journal data in Scopus".本组图表阐释了各研究领域间的关联程度，相关细节已见于题为《基于Scopus学术期刊数据的研究领域关联度测算》（Measuring the affinity between research fields using academic journal data in Scopus）的学术稿件。