*Vertices 7
1 "质谱学报" 0.0 0.0 0.0 x_fact 0.497049 y_fact 1.522212
2 "光谱学与光谱分析" 0.0 0.0 0.0 x_fact 8.108108 y_fact 21.124573
3 "分析试验室" 0.0 0.0 0.0 x_fact 26.405716 y_fact 34.948742
4 "分析化学" 0.0 0.0 0.0 x_fact 2.454178 y_fact 12.643678
5 "岩矿测试" 0.0 0.0 0.0 x_fact 2.329916 y_fact 3.852128
6 "理化检验化学分册" 0.0 0.0 0.0 x_fact 10.872942 y_fact 14.849332
7 "冶金分析" 0.0 0.0 0.0 x_fact 8.232370 y_fact 11.059335
*Matrix 
0.000000 0.000000 0.244983 0.250851 0.258877 0.237438 0.000000 
0.000000 0.000000 0.459799 0.459173 0.332652 0.417740 0.418108 
0.244983 0.459799 0.000000 0.838098 0.618285 0.973191 0.887910 
0.250851 0.459173 0.838098 0.000000 0.472644 0.814385 0.587291 
0.258877 0.332652 0.618285 0.472644 0.000000 0.565422 0.608343 
0.237438 0.417740 0.973191 0.814385 0.565422 0.000000 0.886876 
0.000000 0.418108 0.887910 0.587291 0.608343 0.886876 0.000000