*Vertices 6
1 "干旱区地理" 0.0 0.0 0.0 x_fact 3.715745 y_fact 13.934046
2 "干旱区研究" 0.0 0.0 0.0 x_fact 3.158384 y_fact 10.078960
3 "中国沙漠" 0.0 0.0 0.0 x_fact 3.158384 y_fact 21.551324
4 "地理学报" 0.0 0.0 0.0 x_fact 3.344171 y_fact 9.660938
5 "经济地理" 0.0 0.0 0.0 x_fact 2.786809 y_fact 5.620065
6 "生态学报" 0.0 0.0 0.0 x_fact 4.923363 y_fact 39.154668
*Matrix 
0.000000 0.220881 0.000000 0.000000 0.000000 0.000000 
0.220881 0.000000 0.203897 0.000000 0.000000 0.000000 
0.000000 0.203897 0.000000 0.248526 0.000000 0.000000 
0.000000 0.000000 0.248526 0.000000 0.670951 0.225313 
0.000000 0.000000 0.000000 0.670951 0.000000 0.000000 
0.000000 0.000000 0.000000 0.225313 0.000000 0.000000