*Vertices 3
1 "泥沙研究" 0.0 0.0 0.0 x_fact 4.696673 y_fact 15.264188
2 "水利学报" 0.0 0.0 0.0 x_fact 4.696673 y_fact 35.420744
3 "水动力学研究与进展A" 0.0 0.0 0.0 x_fact 8.414873 y_fact 49.315068
*Matrix 
0.000000 0.461893 0.000000 
0.461893 0.000000 0.000000 
0.000000 0.000000 0.000000