*Vertices 3
1 "作物学报" 0.0 0.0 0.0 x_fact 4.356061 y_fact 46.780303
2 "广西农业生物科学" 0.0 0.0 0.0 x_fact 3.219697 y_fact 7.954545
3 "杂交水稻" 0.0 0.0 0.0 x_fact 4.545455 y_fact 45.265152
*Matrix 
0.000000 0.325311 0.000000 
0.325311 0.000000 0.369229 
0.000000 0.369229 0.000000