*Vertices 4
1 "太原理工大学学报" 0.0 0.0 0.0 x_fact 0.000000 y_fact 20.833333
2 "低压电器" 0.0 0.0 0.0 x_fact 0.520833 y_fact 15.625000
3 "建筑电气" 0.0 0.0 0.0 x_fact 3.125000 y_fact 7.291667
4 "城市轨道交通研究" 0.0 0.0 0.0 x_fact 0.000000 y_fact 56.250000
*Matrix 
0.000000 0.000000 0.339683 0.000000 
0.000000 0.000000 0.257538 0.000000 
0.339683 0.257538 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000