*Vertices 3
1 "化工学报" 0.0 0.0 0.0 x_fact 5.056180 y_fact 64.887640
2 "华东理工大学学报" 0.0 0.0 0.0 x_fact 7.865169 y_fact 20.505618
3 "天然气化工" 0.0 0.0 0.0 x_fact 1.966292 y_fact 14.606742
*Matrix 
0.000000 0.346576 0.000000 
0.346576 0.000000 0.339985 
0.000000 0.339985 0.000000