*Vertices 8
1 "中国沙漠" 0.0 0.0 0.0 x_fact 3.019496 y_fact 17.451260
2 "地理学报" 0.0 0.0 0.0 x_fact 4.422254 y_fact 8.487874
3 "地理研究" 0.0 0.0 0.0 x_fact 4.374703 y_fact 9.462672
4 "地理科学进展" 0.0 0.0 0.0 x_fact 4.255825 y_fact 6.395625
5 "水土保持学报" 0.0 0.0 0.0 x_fact 5.135521 y_fact 17.261056
6 "自然资源学报" 0.0 0.0 0.0 x_fact 4.493581 y_fact 7.061341
7 "生态学报" 0.0 0.0 0.0 x_fact 8.511650 y_fact 27.032810
8 "资源科学" 0.0 0.0 0.0 x_fact 5.040418 y_fact 6.847361
*Matrix 
0.000000 0.000000 0.000000 0.248416 0.000000 0.000000 0.000000 0.242755 
0.000000 0.000000 0.652151 0.617288 0.000000 0.623814 0.333731 0.688941 
0.000000 0.652151 0.000000 0.505674 0.000000 0.381254 0.000000 0.526263 
0.248416 0.617288 0.505674 0.000000 0.000000 0.611517 0.382618 0.654869 
0.000000 0.000000 0.000000 0.000000 0.000000 0.349810 0.237305 0.296980 
0.000000 0.623814 0.381254 0.611517 0.349810 0.000000 0.452506 0.797200 
0.000000 0.333731 0.000000 0.382618 0.237305 0.452506 0.000000 0.349647 
0.242755 0.688941 0.526263 0.654869 0.296980 0.797200 0.349647 0.000000