fractal LS分形LSfractaln 不规则碎片形fractal interpolation method插值Fractal Market Hypothesis.fractal interpolating surface分形插值曲面fractal distribution function分形分布函数Fractal Graphics Based on MFC基于MFC的分形图形实现方法fractal dimension calculation分形维计算fractal correlation dimension分形关联维fractal content-area method含量-面积法fractal and fractal dimension构造预测fractal information dimension分形信息维数