*Vertices 3
1 "金属学报" 0.0 0.0 0.0 x_fact 2.564103 y_fact 48.433048
2 "北京科技大学学报" 0.0 0.0 0.0 x_fact 7.977208 y_fact 29.914530
3 "钢铁" 0.0 0.0 0.0 x_fact 5.128205 y_fact 21.652422
*Matrix 
0.000000 0.205458 0.201871 
0.205458 0.000000 0.332039 
0.201871 0.332039 0.000000