水持续蒸发，冷凝，沉降。在全球范围看来，蒸发量约等于沉降量。
Water continually evaporates, condenses, and precipitates, and on a global basis, evaporation approximately equals precipitation.
雨水被导入沙砾储水区，这样有两个好处，一是能够过滤雨水，二是能够减少水的蒸发量。
Rainwater is channelled into sand catchments, which serve both to filter it and to protect it from evaporation.
由水盐监测结果，对监测区及其分区的年陆面蒸发量进行了计算和分析。
Land evaporation of monitoring region and its sub-region are analyzed and calculated through the measured data.
在农田水分平衡中，较难测定的要素有农田蒸腾蒸发量、地下水毛细上升量和土壤水渗漏量。
Of all components of water balance in farmlands, evapotranspiration, capillary rise from a water table and deep percolation are difficult to determine.
计算结果表明，在五十年代丰水期降雨量大于蒸发量，降水、蒸发、径流三者之间基本上平衡。
In the high flow period of 1950's, the rainfall is more than evaporation, the relationship a-mong precipitation, run-off and evaporation was in balance.
计算结果表明，在五十年代丰水期降雨量大于蒸发量，降水、蒸发、径流三者之间基本上平衡。
In the high flow period of 1950's, the rainfall is more than evaporation, the relationship a-mong precipitation, run-off and evaporation was in balance.
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