The significance of fractal dimension is discussed.

在此基础上，论述了分维的研究意义。

The results proved that fractal dimension was an efficient parameter.

结果说明以分形维数作为评价指标是可行的。

The relation between grain size and fractal dimension is investigated.

考察了晶粒度与分形维数之间的关系。

The grain number distribution can be expressed by the fractal dimension.

粉煤灰颗粒群的颗粒数分布具有分形特征。

The change of fractal dimension was irregular with the change of voltage.

分形维数随外加电压的改变呈现不规则的变动。