*Vertices 3
1 "昆虫学报" 0.0 0.0 0.0 x_fact 2.222222 y_fact 38.333333
2 "农药学学报" 0.0 0.0 0.0 x_fact 7.222222 y_fact 11.666667
3 "农药" 0.0 0.0 0.0 x_fact 3.055556 y_fact 50.000000
*Matrix 
0.000000 0.604078 0.000000 
0.604078 0.000000 0.532064 
0.000000 0.532064 0.000000