the lack of suitable quantitative description parameter for the grain size composition is due to the complexity in the composition.
由于土体粒度成分的复杂性,目前对土的粒度成分分析缺乏合适的定量描述参数,分形理论为该问题提供了新的途径。
the occurrence of the lower limit of bed material size is attributed to the grain size composition of incoming sediment and the fining mechanism.
研究认为河床质调整极限是由来沙组成及河床质细化机制决定的。
this paper proved that grain size composition of pluvial fan conglomerate has self similar fractal structure by applying fractal theory.
应用分形理论证实了洪积扇砾巖的粒度组成具有自相似的分形结构。