*Vertices 3
1 "中华消化杂志" 0.0 0.0 0.0 x_fact 8.681672 y_fact 30.225080
2 "中华肝脏病杂志" 0.0 0.0 0.0 x_fact 2.250804 y_fact 50.482315
3 "胃肠病学" 0.0 0.0 0.0 x_fact 16.077170 y_fact 19.292605
*Matrix 
0.000000 0.000000 0.928965 
0.000000 0.000000 0.511717 
0.928965 0.511717 0.000000