*Vertices 5
1 "西北植物学报" 0.0 0.0 0.0 x_fact 3.404255 y_fact 17.142857
2 "中国草地" 0.0 0.0 0.0 x_fact 5.227964 y_fact 12.036474
3 "草业科学" 0.0 0.0 0.0 x_fact 11.914894 y_fact 39.513678
4 "草地学报" 0.0 0.0 0.0 x_fact 4.437690 y_fact 10.091185
5 "草业学报" 0.0 0.0 0.0 x_fact 6.808511 y_fact 21.215805
*Matrix 
0.000000 0.259234 0.000000 0.000000 0.000000 
0.259234 0.000000 0.437604 0.508212 0.343417 
0.000000 0.437604 0.000000 0.361273 0.347143 
0.000000 0.508212 0.361273 0.000000 0.311326 
0.000000 0.343417 0.347143 0.311326 0.000000