*Vertices 3
1 "园艺学报" 0.0 0.0 0.0 x_fact 0.264550 y_fact 45.238095
2 "浙江农业学报" 0.0 0.0 0.0 x_fact 7.142857 y_fact 12.433862
3 "农业环境科学学报" 0.0 0.0 0.0 x_fact 0.529101 y_fact 42.328042
*Matrix 
0.000000 0.435905 0.000000 
0.435905 0.000000 0.546348 
0.000000 0.546348 0.000000