*Vertices 2
1 "科学通报" 0.0 0.0 0.0 x_fact 3.786192 y_fact 77.728285
2 "自然科学进展" 0.0 0.0 0.0 x_fact 12.472160 y_fact 22.271715
*Matrix 
0.000000 0.816884 
0.816884 0.000000