*Vertices 3
1 "中国铁道科学" 0.0 0.0 0.0 x_fact 18.209877 y_fact 46.913580
2 "铁道学报" 0.0 0.0 0.0 x_fact 11.111111 y_fact 28.703704
3 "西南交通大学学报" 0.0 0.0 0.0 x_fact 5.864198 y_fact 24.382716
*Matrix 
0.000000 0.717749 0.276121 
0.717749 0.000000 0.497304 
0.276121 0.497304 0.000000