*Vertices 3
1 "中国生态农业学报" 0.0 0.0 0.0 x_fact 2.791302 y_fact 6.653684
2 "生态学报" 0.0 0.0 0.0 x_fact 7.432652 y_fact 24.569945
3 "应用生态学报" 0.0 0.0 0.0 x_fact 13.209997 y_fact 68.776371
*Matrix 
0.000000 0.420658 0.417524 
0.420658 0.000000 0.575667 
0.417524 0.575667 0.000000