*Vertices 3
1 "电化学" 0.0 0.0 0.0 x_fact 0.986842 y_fact 2.960526
2 "电池" 0.0 0.0 0.0 x_fact 10.197368 y_fact 54.276316
3 "电源技术" 0.0 0.0 0.0 x_fact 18.092105 y_fact 42.763158
*Matrix 
0.000000 0.000000 0.580286 
0.000000 0.000000 0.491005 
0.580286 0.491005 0.000000