*Vertices 3
1 "声学技术" 0.0 0.0 0.0 x_fact 15.121951 y_fact 31.463415
2 "应用声学" 0.0 0.0 0.0 x_fact 5.365854 y_fact 9.268293
3 "声学学报" 0.0 0.0 0.0 x_fact 5.121951 y_fact 59.268293
*Matrix 
0.000000 0.664399 0.608482 
0.664399 0.000000 0.781865 
0.608482 0.781865 0.000000