*Vertices 4
1 "低温与超导" 0.0 0.0 0.0 x_fact 10.769231 y_fact 14.615385
2 "工程热物理学报" 0.0 0.0 0.0 x_fact 5.769231 y_fact 46.538462
3 "低温工程" 0.0 0.0 0.0 x_fact 8.846154 y_fact 32.307692
4 "制冷学报" 0.0 0.0 0.0 x_fact 3.846154 y_fact 6.538462
*Matrix 
0.000000 0.000000 0.969937 0.607662 
0.000000 0.000000 0.207075 0.486629 
0.969937 0.207075 0.000000 0.700888 
0.607662 0.486629 0.700888 0.000000