*Vertices 3
1 "中华血液学杂志" 0.0 0.0 0.0 x_fact 0.649351 y_fact 27.597403
2 "中华检验医学杂志" 0.0 0.0 0.0 x_fact 5.519481 y_fact 59.740260
3 "血栓与止血学" 0.0 0.0 0.0 x_fact 8.441558 y_fact 12.662338
*Matrix 
0.000000 0.000000 0.818756 
0.000000 0.000000 0.323516 
0.818756 0.323516 0.000000