*Vertices 4
1 "中华妇产科杂志" 0.0 0.0 0.0 x_fact 4.535147 y_fact 26.077098
2 "中国实用妇科与产科杂志" 0.0 0.0 0.0 x_fact 34.467120 y_fact 56.009070
3 "中国实用内科杂志" 0.0 0.0 0.0 x_fact 0.000000 y_fact 4.988662
4 "山西医药杂志" 0.0 0.0 0.0 x_fact 12.018141 y_fact 12.925170
*Matrix 
0.000000 0.934411 0.000000 0.749902 
0.934411 0.000000 0.000000 0.856199 
0.000000 0.000000 0.000000 0.482867 
0.749902 0.856199 0.482867 0.000000