*Vertices 4
1 "家畜生态" 0.0 0.0 0.0 x_fact 17.684887 y_fact 36.977492
2 "中国畜牧杂志" 0.0 0.0 0.0 x_fact 3.215434 y_fact 18.327974
3 "饲料研究" 0.0 0.0 0.0 x_fact 6.109325 y_fact 14.790997
4 "粮食与饲料工业" 0.0 0.0 0.0 x_fact 9.324759 y_fact 29.903537
*Matrix 
0.000000 0.567584 0.474332 0.234987 
0.567584 0.000000 0.312004 0.224301 
0.474332 0.312004 0.000000 0.500400 
0.234987 0.224301 0.500400 0.000000