当空气中所含水分在一定温度下处在最大蒸发量时，就说空气中的水分饱和了。
Air is said to be saturated with water vapor when it contains the maximum amount that will evaporate at a given temperature.
用它计算的水面最大可能蒸发量乘以一定系数，便可换算成农田蒸散量。
The amount of evapotranspiration of farm land can be calculated by multiplying the largest possible evaporation capacity of water surface with a special coefficient.
自变量对输出的贡献量分析结果显示，平均蒸发量和平均气压对于伤寒副伤寒发病率影响最大。
The mean evaporation and mean air pressure were correlation to the incidence of typhoid fever and paratyphoid fever.
水面蒸发量为裸地最大，混交林及灌木林能有效减少水面蒸发，减少量较对照裸地可达50.54%和55.20%。
Compared with the bare land, the mixed forest and manual shrubbery can reduce evaporation from water surface 50.54% and 55.20%, respectively.
通过室内和野外模拟降雨的入渗和蒸发实验，研究不同降雨量条件下，沙地的最大入渗深度、入渗速率以及每天的蒸发量。
By indoor and field simulated experiments of infiltration and evaporation of the rainwater, the paper studies the depth and velocity of infiltration and the daily evaporation.
通过室内和野外模拟降雨的入渗和蒸发实验，研究不同降雨量条件下，沙地的最大入渗深度、入渗速率以及每天的蒸发量。
By indoor and field simulated experiments of infiltration and evaporation of the rainwater, the paper studies the depth and velocity of infiltration and the daily evaporation.
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