需水量 [土壤] water requirement ; water demand ; Water need ; amount of water required
灌溉需水量 irrigation requirement ; irrigation water requirement ; ETaw
作物需水量 [农学] crop water requirement ; CWR
田间需水量 farm water requirement ; water requirement of paddy field ; [农学] field water demand ; [农学] field water requirement
罪需水量 duty of water
总需水量 total water requirements ; Water requirement gross
净需水量 net water requirement ; Water requirement net
需水率 water demand rate
消防需水量 fire demand ; fire demand of water
消防需水率 fire-demand rate
许多人试图通过减少灌溉频率或改种需水量更少的作物来节约用水。
Many have been attempting to conserve water by irrigating less frequently or by switching to crops that require less water.
研究人员通过一个计算机模型计算出了水分胁迫情况，该模型将之与树木所需水分进行比较，计算出树木实际获得的水分。
The researchers figured out water stress with a computer model that calculated how much water trees were getting in comparison with how much they needed.
我们急需水和食物。
应用推荐