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
- Through experiments on water mining in big caliber and level radial wells at the bottomland of Yellow River, the key technique and method for reasonable groundwater mining in fine grain aquifer at the downstream of Yellow River are discussed.
通过在黄河滩地利用大口径水平辐射井取水试验,探讨了解决在黄河下游细颗粒含水层合理开发地下水难题的关键技术和方法。 - 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。 - 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。 - One spring I planted corn too early in a bottomland so flood-prone thatneighbors laughed.
有一年春天,我在一片容易被淹的低洼地过早种下了玉米,邻居们都为此嘲笑我。 - 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 ecological environment type can be classified into four types, hill grassland type, plain meadow type, seashore bottomland type and interstitial-meadow of farmland and woodland type.
生境类型可分为丘陵山地型、平原草甸型、滨海滩涂型和农林间隙地草地型四种类型; - One third of the import salt in the irrigation water drains to the Tarim River and others discharges to the lake or the bottomland inside or outside of the irrigation district.
随灌溉水进入灌区的盐分约有13排入塔里木河,其余排向灌区内、外的湖泊和低洼地。 - All the eco-system area in seasonal inundation area decreases except the area of gravel bottomland, which is significantly influenced by the variation of water level.
季节性淹水区内各生态系统除砾石滩地面积略有增加外,其他类型的面积均有所减少,受水位变动的影响较大; - 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。
