*Vertices 3
1 "机械工程学报" 0.0 0.0 0.0 x_fact 3.348214 y_fact 33.258929
2 "现代制造工程" 0.0 0.0 0.0 x_fact 8.928571 y_fact 17.187500
3 "计算机辅助设计与图形学学报" 0.0 0.0 0.0 x_fact 1.562500 y_fact 49.553571
*Matrix 
0.000000 0.539789 0.000000 
0.539789 0.000000 0.379328 
0.000000 0.379328 0.000000