*Vertices 5
1 "中国草地" 0.0 0.0 0.0 x_fact 5.850091 y_fact 16.270567
2 "草业科学" 0.0 0.0 0.0 x_fact 12.979890 y_fact 50.457038
3 "家畜生态" 0.0 0.0 0.0 x_fact 11.151737 y_fact 16.819013
4 "中国草食动物" 0.0 0.0 0.0 x_fact 4.021938 y_fact 11.151737
5 "中国畜牧杂志" 0.0 0.0 0.0 x_fact 1.279707 y_fact 5.301645
*Matrix 
0.000000 0.698630 0.428280 0.000000 0.000000 
0.698630 0.000000 0.510787 0.000000 0.000000 
0.428280 0.510787 0.000000 0.509113 0.525498 
0.000000 0.000000 0.509113 0.000000 0.519374 
0.000000 0.000000 0.525498 0.519374 0.000000