*Vertices 4
1 "金属热处理" 0.0 0.0 0.0 x_fact 4.440154 y_fact 36.486486
2 "摩擦学学报" 0.0 0.0 0.0 x_fact 1.158301 y_fact 44.401544
3 "中国表面工程" 0.0 0.0 0.0 x_fact 7.528958 y_fact 12.934363
4 "材料工程" 0.0 0.0 0.0 x_fact 2.702703 y_fact 6.177606
*Matrix 
0.000000 0.000000 0.651857 0.280269 
0.000000 0.000000 0.222239 0.268293 
0.651857 0.222239 0.000000 0.554918 
0.280269 0.268293 0.554918 0.000000