*Vertices 4
1 "电化学" 0.0 0.0 0.0 x_fact 0.000000 y_fact 2.197802
2 "合成化学" 0.0 0.0 0.0 x_fact 0.732601 y_fact 10.622711
3 "中国锰业" 0.0 0.0 0.0 x_fact 5.494505 y_fact 27.838828
4 "电池" 0.0 0.0 0.0 x_fact 10.256410 y_fact 59.340659
*Matrix 
0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000