*Vertices 4
1 "沉积学报" 0.0 0.0 0.0 x_fact 2.096705 y_fact 10.226786
2 "石油学报" 0.0 0.0 0.0 x_fact 4.407360 y_fact 18.399658
3 "天然气工业" 0.0 0.0 0.0 x_fact 7.017544 y_fact 30.081301
4 "石油勘探与开发" 0.0 0.0 0.0 x_fact 5.305948 y_fact 41.292255
*Matrix 
0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.210195 0.246273 
0.000000 0.210195 0.000000 0.000000 
0.000000 0.246273 0.000000 0.000000