At present, it is far better than many parameters such as porosity microstructure character and so on.

其作用是目前的孔隙微观结构特征诸参数无法替代的。

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Porosity is presented as a concept and approach to simulate solid bodies with various geometry and character in flow fields.

本文提出一种能模拟流场中不同形状和性质的固体的新方法——空度的概念。

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The shell limestone is thin bed, compact and anisotropism, so the reservoir is of low porosity, low permeability and pore fracture character.

介壳灰岩层薄、致密、非均质性强，属低孔、低渗孔隙—裂缝性储层。

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