*Vertices 4
1 "流体机械" 0.0 0.0 0.0 x_fact 6.719368 y_fact 35.177866
2 "机械设计" 0.0 0.0 0.0 x_fact 3.162055 y_fact 26.877470
3 "压缩机技术" 0.0 0.0 0.0 x_fact 6.324111 y_fact 11.462451
4 "西安交通大学学报" 0.0 0.0 0.0 x_fact 0.790514 y_fact 26.482213
*Matrix 
0.000000 0.000000 0.643258 0.000000 
0.000000 0.000000 0.237077 0.000000 
0.643258 0.237077 0.000000 0.257786 
0.000000 0.000000 0.257786 0.000000