effective porosity的用法和樣例：
例句
- And then, underground coal porositycalculation method and variational characteristic of coal effective pore volume compressibility are discussed.
進而探討了煤岩地下孔隙度的計算方法和煤岩有效孔隙體積壓縮係數的變化特徵。 - In dealing with reservoir rocks, it is necessary, because the cementing materials may seal off a part of the pore volume , to define total porosity and effective porosity.
在研究儲層岩石時，因為膠結物會堵住一部分孔隙的體積，所以對於油藏流體有必要定義總孔隙度和有效孔隙度。
