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湿度是指存在于空气中的水蒸汽含量。空气中水蒸汽含量多少,不仅是气象方面的一个重要参数,而且在其他方面例如工农业生产,空气调节,采暖通风,食品和原材料的贮藏以及一些重要的科学实验工作中,也相当重要。在工农业生产和一些科学实验工作中,湿度测量单位使用较多的是相对湿度,是指在相同条件(同温同压)下,空气中的绝对湿度与饱和湿度之比,以百分数表示。绝对湿度是指在单位体积的潮湿空气中所含水蒸汽的重量,通常
Humidity refers to the amount of water vapor present in the air. The amount of water vapor in the air is not only an important meteorological parameter, but also important in other areas such as industrial and agricultural production, air conditioning, heating and ventilation, storage of foodstuffs and raw materials, and some important scientific experiments. In industrial and agricultural production and some scientific experiments, the use of humidity measurement units more relative humidity refers to the same conditions (with temperature and pressure), the ratio of absolute humidity in the air and saturated humidity, expressed as a percentage. Absolute humidity is the weight of water vapor contained in humid air per unit volume, usually