圩区是指平原河网或沿江滨湖等低洼易涝地区，通过圈圩筑堤，设置水闸、泵站，以外御洪水、内除涝水，从而形成的封闭的防洪排涝保护区域。 圩区地形平坦，地势低洼，洪水期水高地低，因此极易发生洪涝灾害。
In the new round planning of the polder areas, regions in Southern Jiangsu province require that the future water logging planning is done according to the town drainage criterion.
在新一轮的圩区规划中,苏南圩区要求远期规划按城镇排水标准进行排涝规划。
参考来源 - 苏南圩区城市化排水标准与最优水面率研究·2,447,543篇论文数据，部分数据来源于NoteExpress
鄱阳湖圩区的低洼农田，种植水稻的经济效益不高。
The profit gained from raising rice was not well on the low farm land.
合理确定圩区排涝模数对于降低涝灾损失有重要意义。
To reasonably determine drainage modulus is very important for decreasing logging loss in diked area.
由于城市排水计算排水流量与圩区排涝计算排涝流量在概念、方法上不尽相同。
The concepts and methods of the urban development departments and water conservancy departments used to reckon the drainage discharge are not completely in the same.
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