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单词 relative permeability
释义 relative permeability
[`rel·ǝd·iv ´pǝr·mē·ǝ`bil· ǝd·ē]
ELECTROMAGNETISM
The ratio of the permeability of a substance to the permeability of a vacuum at the same magnetic field strength.
GEOLOGY
Specific permeability of a porous rock formation to a particular phase (oil, water, gas) at a particular saturation and a particular saturation distribution; for example, ratio of effective permeability to a specified phase to the rock's absolute permeability.
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