*Vertices 7
1 "中国水稻科学" 0.0 0.0 0.0 x_fact 5.778302 y_fact 20.754717
2 "中国农业科学" 0.0 0.0 0.0 x_fact 7.547170 y_fact 37.146226
3 "辽宁农业科学" 0.0 0.0 0.0 x_fact 1.297170 y_fact 6.014151
4 "杂交水稻" 0.0 0.0 0.0 x_fact 3.773585 y_fact 17.452830
5 "中国稻米" 0.0 0.0 0.0 x_fact 4.127358 y_fact 4.481132
6 "粮食储藏" 0.0 0.0 0.0 x_fact 0.353774 y_fact 5.306604
7 "粮食与饲料工业" 0.0 0.0 0.0 x_fact 1.768868 y_fact 8.844340
*Matrix 
0.000000 0.501338 0.000000 0.256752 0.689136 0.000000 0.000000 
0.501338 0.000000 0.000000 0.000000 0.730810 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 0.395653 0.000000 0.000000 
0.256752 0.000000 0.000000 0.000000 0.570639 0.000000 0.000000 
0.689136 0.730810 0.395653 0.570639 0.000000 0.200382 0.313163 
0.000000 0.000000 0.000000 0.000000 0.200382 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 0.313163 0.000000 0.000000