*Vertices 7
1 "干旱地区农业研究" 0.0 0.0 0.0 x_fact 2.848795 y_fact 9.349890
2 "灌溉排水学报" 0.0 0.0 0.0 x_fact 5.551497 y_fact 8.181154
3 "农业工程学报" 0.0 0.0 0.0 x_fact 6.428050 y_fact 30.168006
4 "水利学报" 0.0 0.0 0.0 x_fact 3.067933 y_fact 12.636961
5 "中国农村水利水电" 0.0 0.0 0.0 x_fact 7.085464 y_fact 24.543462
6 "水科学进展" 0.0 0.0 0.0 x_fact 4.236669 y_fact 7.962016
7 "节水灌溉" 0.0 0.0 0.0 x_fact 3.579255 y_fact 7.158510
*Matrix 
0.000000 0.302973 0.221850 0.000000 0.000000 0.000000 0.000000 
0.302973 0.000000 0.475069 0.505001 0.301864 0.481040 0.551174 
0.221850 0.475069 0.000000 0.000000 0.000000 0.000000 0.000000 
0.000000 0.505001 0.000000 0.000000 0.000000 0.822804 0.000000 
0.000000 0.301864 0.000000 0.000000 0.000000 0.000000 0.526774 
0.000000 0.481040 0.000000 0.822804 0.000000 0.000000 0.000000 
0.000000 0.551174 0.000000 0.000000 0.526774 0.000000 0.000000