*Vertices 4
1 "中华外科杂志" 0.0 0.0 0.0 x_fact 4.492512 y_fact 15.474210
2 "中华普通外科杂志" 0.0 0.0 0.0 x_fact 19.134775 y_fact 24.459235
3 "中国实用外科杂志" 0.0 0.0 0.0 x_fact 16.805324 y_fact 40.266223
4 "中华胃肠外科杂志" 0.0 0.0 0.0 x_fact 15.474210 y_fact 19.800333
*Matrix 
0.000000 0.795904 0.597457 0.662044 
0.795904 0.000000 0.942590 0.900356 
0.597457 0.942590 0.000000 0.856805 
0.662044 0.900356 0.856805 0.000000