weight-mean diameter 中文意思是什麼
weight-mean diameter
解釋
平均重量粒徑(以表面積為基準的平均粒徑)-
A good forest structure could improve the even degree and range of distribution obviously, and improve the porosity ; the fractal dimension ( fd ) and mean weight diameter ( mwd ) could sign the soil structure feature objectively
良好的林分結構能明顯提高土壤粒徑的分佈均勻程度與范圍,改善土壤孔隙狀況;分形維數和重量平均直徑能比較客觀地表徵土壤結構特徵,是較為理想的土壤結構測定指標。
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