*Vertices 6
1 "生态环境" 0.0 0.0 0.0 x_fact 1.188986 y_fact 6.070088
2 "植物营养与肥料学报" 0.0 0.0 0.0 x_fact 2.127660 y_fact 4.474343
3 "中国农学通报" 0.0 0.0 0.0 x_fact 0.625782 y_fact 4.036295
4 "农业环境科学学报" 0.0 0.0 0.0 x_fact 4.599499 y_fact 9.543179
5 "应用生态学报" 0.0 0.0 0.0 x_fact 12.234043 y_fact 65.801001
6 "生态学杂志" 0.0 0.0 0.0 x_fact 4.349186 y_fact 10.075094
*Matrix 
0.000000 0.000000 0.000000 0.241394 0.000000 0.000000 
0.000000 0.000000 0.411289 0.326857 0.306024 0.000000 
0.000000 0.411289 0.000000 0.239823 0.000000 0.000000 
0.241394 0.326857 0.239823 0.000000 0.338391 0.344489 
0.000000 0.306024 0.000000 0.338391 0.000000 0.538370 
0.000000 0.000000 0.000000 0.344489 0.538370 0.000000