*Vertices 7
1 "中国草地" 0.0 0.0 0.0 x_fact 3.091398 y_fact 6.048387
2 "草业科学" 0.0 0.0 0.0 x_fact 6.754032 y_fact 16.397849
3 "草地学报" 0.0 0.0 0.0 x_fact 4.133065 y_fact 6.619624
4 "草业学报" 0.0 0.0 0.0 x_fact 7.190860 y_fact 18.951613
5 "草原与草坪" 0.0 0.0 0.0 x_fact 4.301075 y_fact 6.518817
6 "中国园林" 0.0 0.0 0.0 x_fact 0.067204 y_fact 2.688172
7 "应用生态学报" 0.0 0.0 0.0 x_fact 4.166667 y_fact 42.775538
*Matrix 
0.000000 0.643730 0.680239 0.433873 0.649083 0.000000 0.000000 
0.643730 0.000000 0.599830 0.358870 0.665748 0.000000 0.000000 
0.680239 0.599830 0.000000 0.557322 0.557134 0.000000 0.000000 
0.433873 0.358870 0.557322 0.000000 0.413537 0.000000 0.000000 
0.649083 0.665748 0.557134 0.413537 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000