Along the canal, pore water and fissure-karst water have a recharge-discharge re lation, while in south of the canal, canal water and fissure-karst water have no direct water power relation.
沿运河一带运河水补给孔隙水，运河以南孔隙水与裂隙喀斯特水互为补排关系，而运河水与裂隙喀斯特水无直接水力联系。
The optimum canal discharge and irrigation rotation schedule were also studied in the models.
模型还可研究灌溉系统内各子系统的优化供水流量和优化轮灌方案。
It has realistic significance to research on using working gate with submerged discharge to measure water in canal for slab irrigation district.
对于平原灌区，研究利用以淹没出流为主的工作闸门进行渠道量水具有现实意义。
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