*Vertices 3
1 "材料科学与工程学报" 0.0 0.0 0.0 x_fact 8.301887 y_fact 18.113208
2 "复合材料学报" 0.0 0.0 0.0 x_fact 4.528302 y_fact 56.226415
3 "宇航材料工艺" 0.0 0.0 0.0 x_fact 12.452830 y_fact 25.660377
*Matrix 
0.000000 0.545746 0.706394 
0.545746 0.000000 0.446208 
0.706394 0.446208 0.000000