*Vertices 5
1 "中草药" 0.0 0.0 0.0 x_fact 4.376855 y_fact 31.231454
2 "中医杂志" 0.0 0.0 0.0 x_fact 7.047478 y_fact 11.721068
3 "广州中医药大学学报" 0.0 0.0 0.0 x_fact 9.198813 y_fact 12.759644
4 "中国中西医结合杂志" 0.0 0.0 0.0 x_fact 4.970326 y_fact 19.436202
5 "中药材" 0.0 0.0 0.0 x_fact 14.465875 y_fact 24.851632
*Matrix 
0.000000 0.000000 0.283209 0.000000 0.757959 
0.000000 0.000000 0.777073 0.860823 0.251032 
0.283209 0.777073 0.000000 0.767805 0.528915 
0.000000 0.860823 0.767805 0.000000 0.300648 
0.757959 0.251032 0.528915 0.300648 0.000000