Of all components of water balance in farmlands, evapotranspiration, capillary rise from a water table and deep percolation are difficult to determine.
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。
With the deep development of the oilfield, and affected by the micro-fracture, the fluid percolation law becomes more and more complex during the water injection.
随着油田深入开发，同时受微裂缝的影响，在注水开发过程中，流体的渗流规律愈来愈复杂。
By comparing, analyzing and classifying for early pressure curve shape property in deep layer and low percolation gas field of Daqing oilfield, producing potential is predicted.
对大庆深层低渗透气井的早期压力曲线形态特征进行对比分析和归类，预测储层产能。
By comparing, analyzing and classifying for early pressure curve shape property in deep layer and low percolation gas field of Daqing oilfield, producing potential is predicted.
对大庆深层低渗透气井的早期压力曲线形态特征进行对比分析和归类，预测储层产能。
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