基本解释

• [能源科学技术]空穴空间所占的比率

英汉例句

双语例句

• Total porosity is the ratio of the total void space in the rock to the bulk volume of the rock;
  有效孔隙度是互相连接的孔隙的体积与岩石总体积的比值。
• Porosity is defined as the ratio of the void space in a rock to the bulk volume of that rock multiplied by 100 to express in percent.
  孔隙度定义为岩石内的孔隙体积占岩石总体积的百分率。

专业释义

能源科学技术

• 空穴空间所占的比率