简要介绍分形的基本概念，探讨用分数维法模拟矿体表面的途径。
The basic conception of fractal is introduced, and the way to generate an orebody surface by means of fractional dimension is discussed in this paper.
分数维的计算采用改进的盒子计数法。
The modified box-counting method is used in estimating fraction dimension.
目的：用“分数维”彩色血流信号定量法来探讨肾脏内部彩色血流信号与肾脏结构及功能的关系。
Objective: To discuss the relationships of the color Doppler signals and the structures and functions of the kidney by Fractal Dimension.
基于小角X射线散射理论，利用逐级切线法和材料分形理论中的散射强度法，分别计算PAN基炭纤维内微孔大小、体积分数及微孔表面分形维数。
Based on SAXS theory and fractal theory, we obtain the calculating method and calculating formulas of the pore size, pore volume percentage and the fractal of pore surface in PAN - based carbon fiber.
目前计算分数维广泛采用的方法是盒维数法。但对于灰度图像而言，盒维数计算的结果太粗略以致于很难将它作为进行图像分析的特征。
The popular method for fractal dimension estimation is box-counting method, but as to gray level images, the results are so coarse that they could hardly be used as the feature for image analysis.
目前计算分数维广泛采用的方法是盒维数法。但对于灰度图像而言，盒维数计算的结果太粗略以致于很难将它作为进行图像分析的特征。
The popular method for fractal dimension estimation is box-counting method, but as to gray level images, the results are so coarse that they could hardly be used as the feature for image analysis.
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