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  • Thus a proportion of the total volume of any sediment, loose or cemented, consists of empty space.

    因此，无论是疏松或胶结，沉积物总体积都有一部分是由空隙组成的。

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  • The proportion of empty space in a rock is known as its porosity.

    岩石中空隙的比例被称为孔隙度。

    youdao

  • The proportion of empty space in a rock is known as its porosity.

    岩石中空隙的比例被称为孔隙度。

    youdao

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