*Vertices 7
1 "中国给水排水" 0.0 0.0 0.0 x_fact 4.294976 y_fact 15.721232
2 "中国环境科学" 0.0 0.0 0.0 x_fact 8.833063 y_fact 14.586710
3 "环境科学研究" 0.0 0.0 0.0 x_fact 8.022690 y_fact 11.588331
4 "环境科学学报" 0.0 0.0 0.0 x_fact 17.747164 y_fact 31.199352
5 "环境科学" 0.0 0.0 0.0 x_fact 10.615883 y_fact 19.529984
6 "上海环境科学" 0.0 0.0 0.0 x_fact 1.458671 y_fact 2.512156
7 "城市环境与城市生态" 0.0 0.0 0.0 x_fact 3.889789 y_fact 4.862237
*Matrix 
0.000000 0.220370 0.239644 0.221596 0.284068 0.588189 0.402863 
0.220370 0.000000 0.791531 0.782074 0.806215 0.279792 0.710871 
0.239644 0.791531 0.000000 0.720337 0.753999 0.472029 0.768980 
0.221596 0.782074 0.720337 0.000000 0.754003 0.324691 0.697559 
0.284068 0.806215 0.753999 0.754003 0.000000 0.381816 0.752298 
0.588189 0.279792 0.472029 0.324691 0.381816 0.000000 0.691438 
0.402863 0.710871 0.768980 0.697559 0.752298 0.691438 0.000000