不同土壤剖面大孔隙的数量和孔隙体积相差很大。
There was much difference in quantity and volume of macropore in the profiles of the three soils.
结果表明CT扫描是一种有发展前景的、非破坏性的确定土壤大孔隙的方法。
Results indicate that ct scanning is a promising, non-destructive method for characterizing macropores in soil.
由于土壤大孔隙的分布呈现分形规律，因此可以采用分形理论研究土壤大孔隙结构。
Because of the distribution of macropore exhibit fractal rule, fractal theory can be used to study the structure of macropore.
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