*Vertices 3
1 "金属学报" 0.0 0.0 0.0 x_fact 0.210526 y_fact 34.105263
2 "摩擦学学报" 0.0 0.0 0.0 x_fact 2.526316 y_fact 49.684211
3 "兵器材料科学与工程" 0.0 0.0 0.0 x_fact 8.631579 y_fact 16.210526
*Matrix 
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0.000000 0.000000 0.416940 
0.498548 0.416940 0.000000