*Vertices 4
1 "ChineseJournalOfAstronomyAndAstrophysics" 0.0 0.0 0.0 x_fact 4.663212 y_fact 20.207254
2 "天文学报" 0.0 0.0 0.0 x_fact 4.663212 y_fact 28.497409
3 "天文学进展" 0.0 0.0 0.0 x_fact 19.170984 y_fact 32.124352
4 "天文研究与技术" 0.0 0.0 0.0 x_fact 12.953368 y_fact 19.170984
*Matrix 
0.000000 0.371982 0.270556 0.462515 
0.371982 0.000000 0.817466 0.591315 
0.270556 0.817466 0.000000 0.725251 
0.462515 0.591315 0.725251 0.000000