*Vertices 7
1 "干旱地区农业研究" 0.0 0.0 0.0 x_fact 4.175365 y_fact 9.081420
2 "灌溉排水学报" 0.0 0.0 0.0 x_fact 5.219207 y_fact 7.254697
3 "农业工程学报" 0.0 0.0 0.0 x_fact 7.672234 y_fact 33.298539
4 "水利学报" 0.0 0.0 0.0 x_fact 4.175365 y_fact 11.325678
5 "中国农村水利水电" 0.0 0.0 0.0 x_fact 7.359081 y_fact 21.607516
6 "水科学进展" 0.0 0.0 0.0 x_fact 4.227557 y_fact 8.089770
7 "节水灌溉" 0.0 0.0 0.0 x_fact 6.210856 y_fact 9.342380
*Matrix 
0.000000 0.416317 0.274051 0.288510 0.000000 0.224893 0.369096 
0.416317 0.000000 0.432985 0.759677 0.372942 0.631962 0.590849 
0.274051 0.432985 0.000000 0.000000 0.000000 0.000000 0.279124 
0.288510 0.759677 0.000000 0.000000 0.000000 0.811209 0.224887 
0.000000 0.372942 0.000000 0.000000 0.000000 0.000000 0.717595 
0.224893 0.631962 0.000000 0.811209 0.000000 0.000000 0.000000 
0.369096 0.590849 0.279124 0.224887 0.717595 0.000000 0.000000