*Vertices 4
1 "光谱学与光谱分析" 0.0 0.0 0.0 x_fact 3.122620 y_fact 60.319878
2 "无机化学学报" 0.0 0.0 0.0 x_fact 2.208682 y_fact 13.480579
3 "中国稀土学报" 0.0 0.0 0.0 x_fact 3.427266 y_fact 14.927647
4 "稀土" 0.0 0.0 0.0 x_fact 6.702209 y_fact 11.271896
*Matrix 
0.000000 0.000000 0.000000 0.334840 
0.000000 0.000000 0.000000 0.275175 
0.000000 0.000000 0.000000 0.717508 
0.334840 0.275175 0.717508 0.000000