*Vertices 5
1 "金属成形工艺" 0.0 0.0 0.0 x_fact 6.967742 y_fact 8.387097
2 "机械工程学报" 0.0 0.0 0.0 x_fact 13.548387 y_fact 32.129032
3 "中国机械工程" 0.0 0.0 0.0 x_fact 12.258065 y_fact 37.032258
4 "锻压技术" 0.0 0.0 0.0 x_fact 5.935484 y_fact 9.548387
5 "塑性工程学报" 0.0 0.0 0.0 x_fact 8.000000 y_fact 12.903226
*Matrix 
0.000000 0.458908 0.550876 0.943684 0.959973 
0.458908 0.000000 0.794206 0.209178 0.461417 
0.550876 0.794206 0.000000 0.294756 0.508388 
0.943684 0.209178 0.294756 0.000000 0.900385 
0.959973 0.461417 0.508388 0.900385 0.000000