*Vertices 2
1 "昆虫知识" 0.0 0.0 0.0 x_fact 0.000000 y_fact 79.393939
2 "数理统计与管理" 0.0 0.0 0.0 x_fact 3.030303 y_fact 20.606061
*Matrix 
0.000000 0.000000 
0.000000 0.000000