*Vertices 9
1 "环境化学" 0.0 0.0 0.0 x_fact 0.351906 y_fact 1.055718
2 "膜科学与技术" 0.0 0.0 0.0 x_fact 3.988270 y_fact 11.319648
3 "给水排水" 0.0 0.0 0.0 x_fact 5.219941 y_fact 11.554252
4 "中国给水排水" 0.0 0.0 0.0 x_fact 7.448680 y_fact 14.252199
5 "上海环境科学" 0.0 0.0 0.0 x_fact 6.627566 y_fact 10.439883
6 "工业水处理" 0.0 0.0 0.0 x_fact 15.073314 y_fact 22.873900
7 "水处理技术" 0.0 0.0 0.0 x_fact 1.994135 y_fact 4.222874
8 "环境污染治理技术与设备" 0.0 0.0 0.0 x_fact 12.140762 y_fact 16.422287
9 "净水技术" 0.0 0.0 0.0 x_fact 6.627566 y_fact 7.859238
*Matrix 
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