*Vertices 3
1 "燃料化学学报" 0.0 0.0 0.0 x_fact 2.521008 y_fact 57.310924
2 "中国矿业大学学报" 0.0 0.0 0.0 x_fact 10.252101 y_fact 22.016807
3 "煤炭学报" 0.0 0.0 0.0 x_fact 7.563025 y_fact 20.672269
*Matrix 
0.000000 0.208820 0.000000 
0.208820 0.000000 0.824196 
0.000000 0.824196 0.000000