*Vertices 3
1 "车用发动机" 0.0 0.0 0.0 x_fact 31.250000 y_fact 37.500000
2 "内燃机学报" 0.0 0.0 0.0 x_fact 3.125000 y_fact 27.083333
3 "汽车工程" 0.0 0.0 0.0 x_fact 8.854167 y_fact 35.416667
*Matrix 
0.000000 0.935761 0.562833 
0.935761 0.000000 0.279058 
0.562833 0.279058 0.000000