*Vertices 6
1 "植物保护学报" 0.0 0.0 0.0 x_fact 3.715170 y_fact 7.894737
2 "西北农业学报" 0.0 0.0 0.0 x_fact 0.928793 y_fact 5.882353
3 "农药学学报" 0.0 0.0 0.0 x_fact 3.405573 y_fact 5.882353
4 "农药" 0.0 0.0 0.0 x_fact 5.882353 y_fact 32.043344
5 "中国环境科学" 0.0 0.0 0.0 x_fact 8.513932 y_fact 19.504644
6 "农业环境科学学报" 0.0 0.0 0.0 x_fact 4.334365 y_fact 28.792570
*Matrix 
0.000000 0.210114 0.569056 0.348950 0.000000 0.000000 
0.210114 0.000000 0.238356 0.000000 0.000000 0.000000 
0.569056 0.238356 0.000000 0.501783 0.294984 0.249777 
0.348950 0.000000 0.501783 0.000000 0.000000 0.000000 
0.000000 0.000000 0.294984 0.000000 0.000000 0.633812 
0.000000 0.000000 0.249777 0.000000 0.633812 0.000000