*Vertices 3
1 "中华妇产科杂志" 0.0 0.0 0.0 x_fact 4.780115 y_fact 22.944551
2 "中国实用妇科与产科杂志" 0.0 0.0 0.0 x_fact 36.711281 y_fact 54.875717
3 "实用妇产科杂志" 0.0 0.0 0.0 x_fact 13.384321 y_fact 22.179732
*Matrix 
0.000000 0.922781 0.845223 
0.922781 0.000000 0.833688 
0.845223 0.833688 0.000000