*Vertices 3
1 "经济地理" 0.0 0.0 0.0 x_fact 3.167421 y_fact 30.769231
2 "中国土地科学" 0.0 0.0 0.0 x_fact 7.239819 y_fact 28.506787
3 "自然资源学报" 0.0 0.0 0.0 x_fact 7.239819 y_fact 40.723982
*Matrix 
0.000000 0.000000 0.000000 
0.000000 0.000000 0.377329 
0.000000 0.377329 0.000000