*Vertices 4
1 "水利学报" 0.0 0.0 0.0 x_fact 5.890411 y_fact 27.397260
2 "中国农村水利水电" 0.0 0.0 0.0 x_fact 11.917808 y_fact 32.191781
3 "水科学进展" 0.0 0.0 0.0 x_fact 6.027397 y_fact 20.410959
4 "武汉大学学报工学版" 0.0 0.0 0.0 x_fact 8.630137 y_fact 20.000000
*Matrix 
0.000000 0.257959 0.482539 0.356093 
0.257959 0.000000 0.277327 0.449732 
0.482539 0.277327 0.000000 0.354744 
0.356093 0.449732 0.354744 0.000000