*Vertices 2
1 "天津医药" 0.0 0.0 0.0 x_fact 14.035088 y_fact 37.426901
2 "中华心血管病杂志" 0.0 0.0 0.0 x_fact 0.000000 y_fact 62.573099
*Matrix 
0.000000 0.514496 
0.514496 0.000000