*Vertices 2
1 "中华心血管病杂志" 0.0 0.0 0.0 x_fact 0.000000 y_fact 88.695652
2 "临床心电学杂志" 0.0 0.0 0.0 x_fact 4.347826 y_fact 11.304348
*Matrix 
0.000000 0.529999 
0.529999 0.000000