和田绿洲处于特定自然条件下，降水量小，蒸发量大，极其干旱缺水。
Hotan oasis is in a certain natural condition, precipitation is rare, evaporation is big, and it is most drought and aridity in the oasis.
在地面灌和喷灌同时灌溉的情况下，地面灌农田的土面蒸发量大于喷灌农田；
But evaporation capacity of 100 cm height in sprinkler irrigation field was a little larger than that of the same height in surface irrigation field.
彭阳县属典型的温带半干旱大陆性季风气候，降水量小，蒸发量大，水资源量少质差，区域分布不均匀。
Pengyang County is the model the temperate zone half arid continental monsoon climate, the precipitation is small, the transpiration rate is big.
降水量的减少，气温的上升，冬小麦生育期蒸发量大等因素，是造成廊坊市冬小麦干旱的主要气候因素。
Precipitation reduction, temperature rise, and large evaporation in growth period are main climate reasons why winter wheat drought of Langfang city occur.
不同覆盖物下土壤蒸发量差异显著，白天影响蒸发量大小的覆盖物依次是草炭土、煤渣灰、裸地、对照、河沙、锯末、豆秸。
The soil evaporation from the highest to the least was turf soil, coal cinder, CK, sand, sawdust and smash of straw successively.
本文针对内陆干旱区平原水库水面无效蒸发量大的问题，提出用苯板漂浮水面的工程措施来防止蒸发损失，从而达到平原水库节水的目的。
The aim of the experiment is to reduce the large amount of ineffective evaporation in inland arid area plain reservoirs by using polystyrene foam plastic slabs floating on the water surface.
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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