*Vertices 3
1 "煤炭学报" 0.0 0.0 0.0 x_fact 1.257862 y_fact 31.446541
2 "工矿自动化" 0.0 0.0 0.0 x_fact 5.660377 y_fact 8.805031
3 "测井技术" 0.0 0.0 0.0 x_fact 0.000000 y_fact 59.748428
*Matrix 
0.000000 0.517785 0.000000 
0.517785 0.000000 0.615457 
0.000000 0.615457 0.000000