*Vertices 3
1 "车用发动机" 0.0 0.0 0.0 x_fact 33.557047 y_fact 41.610738
2 "内燃机学报" 0.0 0.0 0.0 x_fact 3.355705 y_fact 34.228188
3 "小型内燃机与摩托车" 0.0 0.0 0.0 x_fact 18.791946 y_fact 24.161074
*Matrix 
0.000000 0.972640 0.983490 
0.972640 0.000000 0.938075 
0.983490 0.938075 0.000000