To predict accurately the dynamic movement of soil water is a key for high-efficient use of soil water.
准确预测和预报田间土壤水分的动态变化过程是土壤水分高效利用的关键。
To use water market for water resources allocation is a high efficient method. However, defect or failure of market may occur in the water market.
用水市场来配置水资源，是一种高效的水资源配置方式，但水市场会发生市场失灵现象。
Fully raising rainfall use efficiency of farm-land is the basis of high efficient utilization to limited water in dry-land farming.
充分提高农田降水利用效率是旱地农业中有限水高效利用的基础。
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