*Vertices 3
1 "中华老年医学杂志" 0.0 0.0 0.0 x_fact 9.944751 y_fact 27.624309
2 "中华心血管病杂志" 0.0 0.0 0.0 x_fact 0.552486 y_fact 56.906077
3 "实用老年医学" 0.0 0.0 0.0 x_fact 11.049724 y_fact 15.469613
*Matrix 
0.000000 0.477608 0.867719 
0.477608 0.000000 0.558411 
0.867719 0.558411 0.000000