*Vertices 6
1 "植物生态学报" 0.0 0.0 0.0 x_fact 3.682720 y_fact 9.753136
2 "中国草地" 0.0 0.0 0.0 x_fact 3.480372 y_fact 8.012950
3 "草业科学" 0.0 0.0 0.0 x_fact 10.117361 y_fact 28.490490
4 "草地学报" 0.0 0.0 0.0 x_fact 3.925536 y_fact 7.689195
5 "草业学报" 0.0 0.0 0.0 x_fact 6.920275 y_fact 16.511534
6 "生态学报" 0.0 0.0 0.0 x_fact 8.174828 y_fact 29.542695
*Matrix 
0.000000 0.000000 0.000000 0.200972 0.204840 0.722202 
0.000000 0.000000 0.445999 0.517702 0.356497 0.000000 
0.000000 0.445999 0.000000 0.371711 0.357892 0.000000 
0.200972 0.517702 0.371711 0.000000 0.336728 0.200759 
0.204840 0.356497 0.357892 0.336728 0.000000 0.207475 
0.722202 0.000000 0.000000 0.200759 0.207475 0.000000