*Vertices 4
1 "经济地理" 0.0 0.0 0.0 x_fact 1.597444 y_fact 12.140575
2 "安徽农业科学" 0.0 0.0 0.0 x_fact 0.638978 y_fact 25.239617
3 "生态环境" 0.0 0.0 0.0 x_fact 0.638978 y_fact 50.479233
4 "中国人口资源与环境" 0.0 0.0 0.0 x_fact 4.792332 y_fact 12.140575
*Matrix 
0.000000 0.000000 0.000000 0.321249 
0.000000 0.000000 0.000000 0.247870 
0.000000 0.000000 0.000000 0.000000 
0.321249 0.247870 0.000000 0.000000