*Vertices 3
1 "首都师范大学学报" 0.0 0.0 0.0 x_fact 7.608696 y_fact 10.144928
2 "应用与环境生物学报" 0.0 0.0 0.0 x_fact 1.449275 y_fact 36.594203
3 "农业环境科学学报" 0.0 0.0 0.0 x_fact 5.434783 y_fact 53.260870
*Matrix 
0.000000 0.573117 0.781411 
0.573117 0.000000 0.000000 
0.781411 0.000000 0.000000