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单词 relative humidity
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈrel•a•tive huˈmid•i•ty, n. [uncountable]
  1. Meteorologythe amount of water vapor in the air, expressed as a percentage of the maximum amount that the air could hold at the given temperature.

WordReference Random House Unabridged Dictionary of American English © 2024
rel′ative humid′ity, 
  1. Meteorologythe amount of water vapor in the air, expressed as a percentage of the maximum amount that the air could hold at the given temperature;
    the ratio of the actual water vapor pressure to the saturation vapor pressure. Abbr.: RH, rh  Also called humidity. Cf. absolute humidity, dew point, mixing ratio, specific humidity. 
  • 1810–20

Collins Concise English Dictionary © HarperCollins Publishers::
relative humidity n
  1. the mass of water vapour present in the air expressed as a percentage of the mass that would be present in an equal volume of saturated air at the same temperature
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更新时间：2025/7/24 10:27:10