*Vertices 4
1 "车用发动机" 0.0 0.0 0.0 x_fact 21.153846 y_fact 31.250000
2 "内燃机学报" 0.0 0.0 0.0 x_fact 8.653846 y_fact 35.576923
3 "小型内燃机与摩托车" 0.0 0.0 0.0 x_fact 10.576923 y_fact 20.673077
4 "汽车技术" 0.0 0.0 0.0 x_fact 2.884615 y_fact 12.500000
*Matrix 
0.000000 0.875576 0.769266 0.323241 
0.875576 0.000000 0.679645 0.246561 
0.769266 0.679645 0.000000 0.000000 
0.323241 0.246561 0.000000 0.000000