active porosity的用法和樣例：
例句
- Dissolition is favorable for secondary porosity, thus forming available reservoirs in some sections of low porous and low permeable clastic rocks.
從而使某些砂岩段在低孔低滲儲層中形成較發育的次生溶蝕孔隙和成岩微裂縫，並成為有效孔隙。 - It is found, in one-dimensional subsurface flows, that porosity and storativity play an important role in the propagation of the head potential fluctuation.
由研究發現，一維地下水層中，受擾動地下水水頭的傳遞快慢受飽和土壤儲水係數及有效孔隙率的影響。
