secondary porosity的用法和樣例：
例句
- Rocks having original porosity are more uniform in their characteristics than those rocks in which a large part of the porosity is induced.
具有原生孔隙度的巖石比次生孔隙度占大部分的巖石在性質上更具有一致性。 - Induced porosity is typified by fracture development as found in some shales and limestones and by the vugs or solution cavities commonly found in limestones.
次生孔隙度是以某頁巖和石灰巖的裂縫和石灰巖中的巖穴和溶洞為代表。
