*Vertices 4
1 "海洋与湖沼" 0.0 0.0 0.0 x_fact 3.463203 y_fact 35.064935
2 "水产学报" 0.0 0.0 0.0 x_fact 9.090909 y_fact 24.891775
3 "淡水渔业" 0.0 0.0 0.0 x_fact 8.874459 y_fact 17.099567
4 "上海水产大学学报" 0.0 0.0 0.0 x_fact 16.883117 y_fact 22.943723
*Matrix 
0.000000 0.332382 0.261898 0.450191 
0.332382 0.000000 0.663465 0.889286 
0.261898 0.663465 0.000000 0.782920 
0.450191 0.889286 0.782920 0.000000