| 单词 | relative humidity |
| 释义 | > as lemmasrelative humidity relative humidity (of the atmosphere) in Meteorology, the amount of moisture which it contains as compared with that of complete saturation at the given temperature.extracted from humidityn.relative humidity relative humidity n. chiefly Meteorology the amount of moisture in the air compared with the amount the air could hold; spec. the ratio of the mass of water vapour per unit volume of air to the mass in saturated air at the same temperature, typically expressed as a percentage. ΚΠ 1819 Blackwood's Edinb. Mag. Oct. 114 If the differences of temperature be taken into the account, the relative humidity will be found to be the same. 1903 F. V. Coville Desert Bot. Lab. 42 It is to be seen that plants in this region are subject to the action of a fierce insolation and to an atmosphere of low relative humidity. 2007 Roanoke (Virginia) Times (Nexis) 18 July b2 The true measure of the amount of moisture in the air isn't the relative humidity but the dew point. The dew point is the temperature at which the atmosphere would be entirely saturated, or have 100 percent relative humidity. < as lemmas |
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