*Vertices 3
1 "核动力工程" 0.0 0.0 0.0 x_fact 6.194690 y_fact 27.876106
2 "核科学与工程" 0.0 0.0 0.0 x_fact 4.424779 y_fact 36.283186
3 "西安交通大学学报" 0.0 0.0 0.0 x_fact 0.442478 y_fact 35.840708
*Matrix 
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0.293237 0.000000 0.000000 
0.000000 0.000000 0.000000