*Vertices 3
1 "工程热物理学报" 0.0 0.0 0.0 x_fact 3.539823 y_fact 44.247788
2 "内燃机学报" 0.0 0.0 0.0 x_fact 5.309735 y_fact 25.663717
3 "燃烧科学与技术" 0.0 0.0 0.0 x_fact 15.929204 y_fact 30.088496
*Matrix 
0.000000 0.000000 0.447803 
0.000000 0.000000 0.664249 
0.447803 0.664249 0.000000