土的孔隙率 meaning in Chinese

porosity of soil

In consideration of the penetrative cranny in the soil , the volumetric strain model was established by discrete element method , according to the strains of penetrative marine soft clay and the volumetric strain , based on the definition of permeability and porosity , dynamic models of physical parameters were established
结合土颗粒和土体骨架应变，从土的孔隙率和渗透率的定义出发，推导出沉贯过程中筒内海积土物性参数的动态模型。