effective porosity معنى"effective porosity" أمثلة على "effective" معنى "porosity" معنى "porosity" معنى "soil porosity" معنى "effective" معنى "cost-effective" معنى "effective altruism" معنى "effective complexity" معنى "effective concentration" معنى "effective date" معنى "effective demand" معنى "effective fertility" معنى "effective fire" معنى "effective investigation" معنى "effective kilogram" معنى "effective microorganism" معنى "effective potential" معنى "effective schools" معنى "effective stress" معنى "effective temperature" معنى "effective verification" معنى "more effective" معنى "most effective" معنى "non-effective" معنى "biologically effective ultraviolet radiation" معنى أمثلة Often the porosity or effective porosity is used as an upper bound to the specific yield.
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