*Vertices 5
1 "金属学报" 0.0 0.0 0.0 x_fact 1.366397 y_fact 9.311741
2 "中国有色金属学报" 0.0 0.0 0.0 x_fact 4.402834 y_fact 17.763158
3 "特种铸造及有色合金" 0.0 0.0 0.0 x_fact 14.068826 y_fact 33.653846
4 "铸造" 0.0 0.0 0.0 x_fact 12.753036 y_fact 21.761134
5 "铸造技术" 0.0 0.0 0.0 x_fact 12.348178 y_fact 17.510121
*Matrix 
0.000000 0.301105 0.000000 0.354386 0.253154 
0.301105 0.000000 0.264465 0.360428 0.382084 
0.000000 0.264465 0.000000 0.684101 0.601528 
0.354386 0.360428 0.684101 0.000000 0.904972 
0.253154 0.382084 0.601528 0.904972 0.000000