[1]College of Science,Yanbian University,Yanji 133002,China;
[1]College of Science,Yanbian University,Yanji 133002,China;
[1]College of Science,Yanbian University,Yanji 133002,China;
[1]College of Science,Yanbian University,Yanji 133002,China;
Time Series; Fractal Dimension; H Index; R/S Analysis Method;