*Vertices 4
1 "催化学报" 0.0 0.0 0.0 x_fact 2.992126 y_fact 39.055118
2 "石油化工" 0.0 0.0 0.0 x_fact 13.228346 y_fact 39.685039
3 "精细化工" 0.0 0.0 0.0 x_fact 3.149606 y_fact 14.488189
4 "精细石油化工" 0.0 0.0 0.0 x_fact 6.614173 y_fact 6.771654
*Matrix 
0.000000 0.482027 0.000000 0.524325 
0.482027 0.000000 0.217457 0.672269 
0.000000 0.217457 0.000000 0.840842 
0.524325 0.672269 0.840842 0.000000