*Vertices 6
1 "哈尔滨工业大学学报" 0.0 0.0 0.0 x_fact 2.801868 y_fact 8.005337
2 "材料科学与工艺" 0.0 0.0 0.0 x_fact 1.067378 y_fact 3.135424
3 "机械工程学报" 0.0 0.0 0.0 x_fact 2.735157 y_fact 14.009340
4 "中国机械工程" 0.0 0.0 0.0 x_fact 4.869913 y_fact 15.743829
5 "特种铸造及有色合金" 0.0 0.0 0.0 x_fact 0.133422 y_fact 25.950634
6 "计算机工程与应用" 0.0 0.0 0.0 x_fact 1.000667 y_fact 33.155437
*Matrix 
0.000000 0.206614 0.000000 0.213182 0.000000 0.000000 
0.206614 0.000000 0.000000 0.000000 0.361768 0.000000 
0.000000 0.000000 0.000000 0.383541 0.000000 0.000000 
0.213182 0.000000 0.383541 0.000000 0.000000 0.000000 
0.000000 0.361768 0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000