*Vertices 11
1 "极地研究" 0.0 0.0 0.0 x_fact 0.396825 y_fact 1.984127
2 "干旱区地理" 0.0 0.0 0.0 x_fact 2.420635 y_fact 11.150794
3 "地质力学学报" 0.0 0.0 0.0 x_fact 0.476190 y_fact 0.833333
4 "干旱区研究" 0.0 0.0 0.0 x_fact 2.103175 y_fact 8.015873
5 "地球科学进展" 0.0 0.0 0.0 x_fact 2.301587 y_fact 4.960317
6 "中国沙漠" 0.0 0.0 0.0 x_fact 3.452381 y_fact 19.166667
7 "冰川冻土" 0.0 0.0 0.0 x_fact 4.642857 y_fact 23.492063
8 "第四纪研究" 0.0 0.0 0.0 x_fact 4.563492 y_fact 7.063492
9 "地理学报" 0.0 0.0 0.0 x_fact 7.857143 y_fact 13.253968
10 "岩土工程学报" 0.0 0.0 0.0 x_fact 0.238095 y_fact 4.841270
11 "自然资源学报" 0.0 0.0 0.0 x_fact 2.301587 y_fact 5.238095
*Matrix 
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