bottomland
英
美
网络 洼地; 泛滥地
COCA.25497
英英释义
noun
- low-lying alluvial land near a river
双语例句
- Based on the experimental results of river model and measured data of related bridges, variations of discharge and sediment movement in the bridge reach after bridge building are analyzed, and influences on bottomland are discussed.
依据有关桥梁的河工模型试验结果及实测资料，分析了建桥后建桥河段的水流、泥沙的冲淤变化，探讨了建桥对洲边滩的影响。 - The results show that wooded and pastures land was the predominant land-use change; ( d) bottomland meadow;
结果表明，林地和草地变幅较大； - The "dry drainage"& the method to discharge the surplus irrigation water and the groundwater with high salt content to the bottomland inside irrigation district, can decrease the discharged salt to the Tarim River and improve its water quality at the same time.
其中，“干排盐”&即将多余的灌溉水与高矿化度地下水排到灌区内部低洼地的自然排水积盐方式，是减少排入塔里木河盐量，提高塔河水体环境质量的有效途径之一。 - The numerical simulation research and application of fluid influence in the development program on the left bank bottomland of Xiaoqing River in Shou Guang city Yang Kou Town
寿光市羊口镇小清河左岸滩地开发方案中水流影响之数值模拟研究与应用 - The standard of defining the grassland type and area, and their distribution are similar to those adopted in the first survey of China's grassland resources, conducted in 1980s. ( d) bottomland meadow; attribute set;
调查采用与20世纪80年代全国首次草地资源调查相同的草地属性界定标准和草地分类系统； - The variability degree of soil moisture in three sands is in the order: sandy grassland>semi-mobile dune>inter-dune bottomland.
半流动沙地和丘间低地的表层与亚表层土壤水分空间结构差异较小，但土壤水分空间变异性都要高于沙质草场表层。 - Studying the evolving pattern of Dongting Lake and bottomland structure, dynamics and influence to Dongting Lake's function is very important to harness of Dongting Lake.
研究湖泊的演变规律、洲滩的结构、动态变化、以及洲滩对洞庭湖功能的影响，对洞庭湖的治理有着重要参考价值。 - In a certain year, in the same planting condition, bottomland can save more water, and used up less, which is another reason for highest yield in bottomland.
在降水一定的年份，同样的栽培条件下，滩地的储水量大，耗水量小，玉米和莜麦在滩地的水分利用率均高于沙地，这也是两种作物滩地产量高于沙地产量的原因。 - The research on the evaluation for bottomland sustainable use of the ancient channel of Yellow river as an example has been done by making use of the established evaluation index systems and multi-level gray relation analysis model.
以废黄河流域为例，利用本文所建立的滩地可持续利用评价指标体系和多级灰关联评价模型，对该流域滩地开发利用的现状进行评价，并对结果进行分析。 - Influences of bridge building on bottomland evolution in rivers
建桥对河流洲边滩的影响