*Vertices 2
1 "中国沙漠" 0.0 0.0 0.0 x_fact 0.306279 y_fact 60.949464
2 "自然灾害学报" 0.0 0.0 0.0 x_fact 2.297090 y_fact 39.050536
*Matrix 
0.000000 0.000000 
0.000000 0.000000