*Vertices 4
1 "地理学报" 0.0 0.0 0.0 x_fact 3.736921 y_fact 13.901345
2 "自然资源学报" 0.0 0.0 0.0 x_fact 7.548580 y_fact 13.079223
3 "生态学报" 0.0 0.0 0.0 x_fact 7.025411 y_fact 62.107623
4 "长江流域资源与环境" 0.0 0.0 0.0 x_fact 4.409567 y_fact 10.911809
*Matrix 
0.000000 0.738096 0.224701 0.334058 
0.738096 0.000000 0.394197 0.453067 
0.224701 0.394197 0.000000 0.225691 
0.334058 0.453067 0.225691 0.000000