*Vertices 5
1 "理化检验化学分册" 0.0 0.0 0.0 x_fact 4.375570 y_fact 21.148587
2 "中国稀土学报" 0.0 0.0 0.0 x_fact 12.944394 y_fact 30.082042
3 "冶金分析" 0.0 0.0 0.0 x_fact 14.038286 y_fact 21.513218
4 "JRareEarths" 0.0 0.0 0.0 x_fact 10.027347 y_fact 16.773017
5 "稀土" 0.0 0.0 0.0 x_fact 4.010939 y_fact 10.483136
*Matrix 
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0.000000 0.000000 0.000000 0.804069 0.727870 
0.966339 0.000000 0.000000 0.000000 0.000000 
0.000000 0.804069 0.000000 0.000000 0.608165 
0.000000 0.727870 0.000000 0.608165 0.000000