*Vertices 3
1 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 0.349650 y_fact 39.860140
2 "河北建筑科技学院学报" 0.0 0.0 0.0 x_fact 6.293706 y_fact 19.580420
3 "岩土工程学报" 0.0 0.0 0.0 x_fact 0.000000 y_fact 40.559441
*Matrix 
0.000000 0.000000 0.000000 
0.000000 0.000000 0.297775 
0.000000 0.297775 0.000000