*Vertices 5
1 "给水排水" 0.0 0.0 0.0 x_fact 2.348337 y_fact 23.483366
2 "青岛建筑工程学院学报" 0.0 0.0 0.0 x_fact 6.066536 y_fact 7.240705
3 "环境工程" 0.0 0.0 0.0 x_fact 7.436399 y_fact 14.677104
4 "上海环境科学" 0.0 0.0 0.0 x_fact 11.741683 y_fact 24.461840
5 "环境污染治理技术与设备" 0.0 0.0 0.0 x_fact 15.851272 y_fact 30.136986
*Matrix 
0.000000 0.531184 0.514559 0.399905 0.327865 
0.531184 0.000000 0.806000 0.797743 0.803146 
0.514559 0.806000 0.000000 0.553782 0.582159 
0.399905 0.797743 0.553782 0.000000 0.685957 
0.327865 0.803146 0.582159 0.685957 0.000000