农业用水约占人类总耗水量的70%。
Farming accounts for roughly 70% of human water consumption.
不同土壤类型膜下滴灌棉花产量、总耗水量及水分利用效率存在明显差异。
There are distinct differences between yield, total water consumption and water use efficiency in different soil types.
这些都很令人欣慰，不过你应该知道，农业灌溉消耗的水量占到了人类总耗水量的70%。
This is all reassuring—until you remember that irrigated agriculture accounts for 70 percent of the fresh water used by humans.
在黄土丘陵区要求林草与农作物地在轮作周期内的总耗水量与有效雨量（降雨量与径流深之差）持平。
It is necessery that the total consumptive use of water in the rotation period is equal to the total effective precipitation(pre- cipitation minus runoff depth)in the loess hilly region.
在黄土丘陵区要求林草与农作物地在轮作周期内的总耗水量与有效雨量（降雨量与径流深之差）持平。
It is necessery that the total consumptive use of water in the rotation period is equal to the total effective precipitation(pre- cipitation minus runoff depth)in the loess hilly region.
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