*Vertices 4
1 "昆虫学报" 0.0 0.0 0.0 x_fact 9.983633 y_fact 32.896890
2 "昆虫知识" 0.0 0.0 0.0 x_fact 19.476268 y_fact 40.916530
3 "植物保护学报" 0.0 0.0 0.0 x_fact 7.364975 y_fact 12.602291
4 "植物保护" 0.0 0.0 0.0 x_fact 8.019640 y_fact 13.584288
*Matrix 
0.000000 0.576588 0.586542 0.557765 
0.576588 0.000000 0.661179 0.715583 
0.586542 0.661179 0.000000 0.832002 
0.557765 0.715583 0.832002 0.000000