在煤的粉碎过程中其粒度分布具有自相似特征，可以用粒度分布的分形模型来拟合煤粉碎过程中的粒度分布特征。
The particle size distribution of coal has self similarity during the grinding process and can be fit by the fractal equation of particle size distribution.
食品粉体颗粒粒度分布分形维能很好的表征颗粒群粒度分布。
Food powders's particle size distribution fractal dimension could well express the food powders' particle size distribution.
粉体颗粒粒度分布分形维能很好的表征颗粒群粒度分布。
Powders' particle size distribution fractal dimension could denote size distribution well.
应用推荐