*Vertices 3
1 "材料保护" 0.0 0.0 0.0 x_fact 0.000000 y_fact 65.116279
2 "大连铁道学院学报" 0.0 0.0 0.0 x_fact 6.046512 y_fact 12.558140
3 "铁道车辆" 0.0 0.0 0.0 x_fact 0.000000 y_fact 22.325581
*Matrix 
0.000000 0.357930 0.000000 
0.357930 0.000000 0.417585 
0.000000 0.417585 0.000000