*Vertices 6
1 "植物生理与分子生物学学报" 0.0 0.0 0.0 x_fact 1.698514 y_fact 9.341826
2 "土壤学报" 0.0 0.0 0.0 x_fact 2.123142 y_fact 14.755839
3 "西北农林科技大学学报" 0.0 0.0 0.0 x_fact 8.280255 y_fact 17.728238
4 "作物学报" 0.0 0.0 0.0 x_fact 4.246285 y_fact 21.762208
5 "干旱地区农业研究" 0.0 0.0 0.0 x_fact 10.828025 y_fact 20.276008
6 "植物营养与肥料学报" 0.0 0.0 0.0 x_fact 9.660297 y_fact 16.135881
*Matrix 
0.000000 0.000000 0.000000 0.303367 0.243064 0.000000 
0.000000 0.000000 0.219698 0.000000 0.230501 0.624985 
0.000000 0.219698 0.000000 0.300625 0.493396 0.367511 
0.303367 0.000000 0.300625 0.000000 0.257787 0.329059 
0.243064 0.230501 0.493396 0.257787 0.000000 0.482236 
0.000000 0.624985 0.367511 0.329059 0.482236 0.000000