*Vertices 8
1 "中国沙漠" 0.0 0.0 0.0 x_fact 2.366966 y_fact 12.854181
2 "地理学报" 0.0 0.0 0.0 x_fact 2.315135 y_fact 5.269523
3 "土壤学报" 0.0 0.0 0.0 x_fact 1.434001 y_fact 4.284727
4 "水土保持通报" 0.0 0.0 0.0 x_fact 2.297858 y_fact 3.265377
5 "水土保持学报" 0.0 0.0 0.0 x_fact 6.254319 y_fact 15.065653
6 "自然资源学报" 0.0 0.0 0.0 x_fact 2.712509 y_fact 4.578438
7 "生态学报" 0.0 0.0 0.0 x_fact 11.195577 y_fact 24.654457
8 "应用生态学报" 0.0 0.0 0.0 x_fact 10.176227 y_fact 30.027643
*Matrix 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.321895 0.000000 0.610760 0.343337 0.000000 
0.000000 0.000000 0.000000 0.267299 0.265578 0.000000 0.247913 0.240231 
0.000000 0.321895 0.267299 0.000000 0.812378 0.440485 0.273122 0.000000 
0.000000 0.000000 0.265578 0.812378 0.000000 0.375383 0.264320 0.000000 
0.000000 0.610760 0.000000 0.440485 0.375383 0.000000 0.488366 0.291004 
0.000000 0.343337 0.247913 0.273122 0.264320 0.488366 0.000000 0.562409 
0.000000 0.000000 0.240231 0.000000 0.000000 0.291004 0.562409 0.000000