*Vertices 5
1 "环境化学" 0.0 0.0 0.0 x_fact 5.660377 y_fact 16.509434
2 "中国环境科学" 0.0 0.0 0.0 x_fact 11.792453 y_fact 22.955975
3 "环境科学研究" 0.0 0.0 0.0 x_fact 11.006289 y_fact 17.924528
4 "环境科学" 0.0 0.0 0.0 x_fact 15.094340 y_fact 32.389937
5 "中国环境监测" 0.0 0.0 0.0 x_fact 8.176101 y_fact 10.220126
*Matrix 
0.000000 0.435608 0.455285 0.420053 0.651771 
0.435608 0.000000 0.780352 0.800228 0.670575 
0.455285 0.780352 0.000000 0.742280 0.866724 
0.420053 0.800228 0.742280 0.000000 0.670010 
0.651771 0.670575 0.866724 0.670010 0.000000