*Vertices 3
1 "大豆科学" 0.0 0.0 0.0 x_fact 0.278552 y_fact 32.311978
2 "莱阳农学院学报" 0.0 0.0 0.0 x_fact 4.735376 y_fact 6.685237
3 "麦类作物学报" 0.0 0.0 0.0 x_fact 0.000000 y_fact 61.002786
*Matrix 
0.000000 0.714968 0.000000 
0.714968 0.000000 0.497468 
0.000000 0.497468 0.000000