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1 "华西口腔医学杂志" 0.0 0.0 0.0 x_fact 10.174881 y_fact 24.483307
2 "中华口腔医学杂志" 0.0 0.0 0.0 x_fact 8.585056 y_fact 19.077901
3 "实用口腔医学杂志" 0.0 0.0 0.0 x_fact 11.764706 y_fact 28.298887
4 "口腔医学研究" 0.0 0.0 0.0 x_fact 11.605723 y_fact 28.139905
*Matrix 
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0.704786 0.000000 0.535053 0.596191 
0.467268 0.535053 0.000000 0.380814 
0.372477 0.596191 0.380814 0.000000