*Vertices 4
1 "西北地质" 0.0 0.0 0.0 x_fact 4.566745 y_fact 10.538642
2 "地质通报" 0.0 0.0 0.0 x_fact 5.035129 y_fact 28.103044
3 "地震地质" 0.0 0.0 0.0 x_fact 0.468384 y_fact 9.016393
4 "岩石学报" 0.0 0.0 0.0 x_fact 4.098361 y_fact 52.341920
*Matrix 
0.000000 0.239206 0.000000 0.372905 
0.239206 0.000000 0.000000 0.229689 
0.000000 0.000000 0.000000 0.000000 
0.372905 0.229689 0.000000 0.000000