*Vertices 2
1 "中华内科杂志" 0.0 0.0 0.0 x_fact 1.123596 y_fact 39.700375
2 "中华风湿病学杂志" 0.0 0.0 0.0 x_fact 9.737828 y_fact 60.299625
*Matrix 
0.000000 0.217625 
0.217625 0.000000