*Vertices 3
1 "机械工程材料" 0.0 0.0 0.0 x_fact 9.549550 y_fact 21.981982
2 "金属学报" 0.0 0.0 0.0 x_fact 1.441441 y_fact 29.729730
3 "摩擦学学报" 0.0 0.0 0.0 x_fact 1.441441 y_fact 48.288288
*Matrix 
0.000000 0.390252 0.335178 
0.390252 0.000000 0.000000 
0.335178 0.000000 0.000000