*Vertices 3
1 "中华心血管病杂志" 0.0 0.0 0.0 x_fact 1.489758 y_fact 21.415270
2 "临床心血管病杂志" 0.0 0.0 0.0 x_fact 14.525140 y_fact 19.739292
3 "心血管康复医学杂志" 0.0 0.0 0.0 x_fact 20.111732 y_fact 58.845438
*Matrix 
0.000000 0.955825 0.364482 
0.955825 0.000000 0.435532 
0.364482 0.435532 0.000000