英语语法分析

The proportion of empty space in a rock is known as its porosity.

岩石中空隙的比例被称为孔隙度。

Sediment sorting and compaction influence permeability and porosity.

沉积物的分选和压实作用影响渗透率和孔隙度。

Extraction of water depends on two properties of the aquifer: porosity and permeability.

水的开采取决于含水层的两个性质：孔隙度和渗透性。