*Vertices 3
1 "古生物学报" 0.0 0.0 0.0 x_fact 7.246377 y_fact 20.933977
2 "微体古生物学报" 0.0 0.0 0.0 x_fact 27.375201 y_fact 50.402576
3 "地层学杂志" 0.0 0.0 0.0 x_fact 13.687601 y_fact 28.663446
*Matrix 
0.000000 0.820913 0.774563 
0.820913 0.000000 0.694176 
0.774563 0.694176 0.000000