*Vertices 2
1 "中华肾脏病杂志" 0.0 0.0 0.0 x_fact 6.315789 y_fact 24.912281
2 "肾脏病与透析肾移植杂志" 0.0 0.0 0.0 x_fact 9.824561 y_fact 75.087719
*Matrix 
0.000000 0.458953 
0.458953 0.000000