*Vertices 4
1 "金属学报" 0.0 0.0 0.0 x_fact 1.742160 y_fact 29.094077
2 "材料工程" 0.0 0.0 0.0 x_fact 5.574913 y_fact 11.846690
3 "复合材料学报" 0.0 0.0 0.0 x_fact 2.264808 y_fact 50.871080
4 "航空材料学报" 0.0 0.0 0.0 x_fact 6.445993 y_fact 8.188153
*Matrix 
0.000000 0.332192 0.000000 0.539033 
0.332192 0.000000 0.248359 0.892921 
0.000000 0.248359 0.000000 0.489034 
0.539033 0.892921 0.489034 0.000000