*Vertices 3
1 "兰州铁道学院学报" 0.0 0.0 0.0 x_fact 6.397306 y_fact 15.488215
2 "工业水处理" 0.0 0.0 0.0 x_fact 21.548822 y_fact 66.329966
3 "水处理技术" 0.0 0.0 0.0 x_fact 5.387205 y_fact 18.181818
*Matrix 
0.000000 0.433376 0.421006 
0.433376 0.000000 0.729940 
0.421006 0.729940 0.000000