*Vertices 7
1 "植物生态学报" 0.0 0.0 0.0 x_fact 8.373832 y_fact 11.177570
2 "西北植物学报" 0.0 0.0 0.0 x_fact 3.177570 y_fact 7.401869
3 "JournalOfIntegrativePlantBiology" 0.0 0.0 0.0 x_fact 6.579439 y_fact 6.579439
4 "作物学报" 0.0 0.0 0.0 x_fact 5.532710 y_fact 10.822430
5 "中国农学通报" 0.0 0.0 0.0 x_fact 0.542056 y_fact 2.579439
6 "生态学报" 0.0 0.0 0.0 x_fact 11.383178 y_fact 21.252336
7 "应用生态学报" 0.0 0.0 0.0 x_fact 8.186916 y_fact 40.186916
*Matrix 
0.000000 0.436023 0.789938 0.236740 0.000000 0.891157 0.688070 
0.436023 0.000000 0.834220 0.438008 0.396356 0.306661 0.238585 
0.789938 0.834220 0.000000 0.615086 0.507172 0.645562 0.517280 
0.236740 0.438008 0.615086 0.000000 0.505532 0.208289 0.000000 
0.000000 0.396356 0.507172 0.505532 0.000000 0.000000 0.000000 
0.891157 0.306661 0.645562 0.208289 0.000000 0.000000 0.685247 
0.688070 0.238585 0.517280 0.000000 0.000000 0.685247 0.000000