*Vertices 3
1 "生殖与避孕" 0.0 0.0 0.0 x_fact 12.030075 y_fact 22.932331
2 "中华妇产科杂志" 0.0 0.0 0.0 x_fact 1.127820 y_fact 51.127820
3 "生殖医学杂志" 0.0 0.0 0.0 x_fact 19.172932 y_fact 25.939850
*Matrix 
0.000000 0.577965 0.817121 
0.577965 0.000000 0.880320 
0.817121 0.880320 0.000000