*Vertices 4
1 "汽轮机技术" 0.0 0.0 0.0 x_fact 10.801394 y_fact 24.738676
2 "动力工程" 0.0 0.0 0.0 x_fact 5.923345 y_fact 31.707317
3 "振动工程学报" 0.0 0.0 0.0 x_fact 0.696864 y_fact 14.285714
4 "航空动力学报" 0.0 0.0 0.0 x_fact 1.045296 y_fact 29.268293
*Matrix 
0.000000 0.479947 0.275418 0.000000 
0.479947 0.000000 0.000000 0.000000 
0.275418 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000