bottomland

英

美

网络  洼地; 泛滥地

COCA.25497

英英释义

noun

• low-lying alluvial land near a river
  Synonym:bottom

双语例句

• 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 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 landscape types within the research area included such seven categories as mangroves, Spartina grassland, bottomland, water, built-up and transportation land, other forest and farmland.
  研究区域的景观类型划分为红树林、米草地、滩涂、水域、建设及交通用地、其他林地与农田7类。
• Reservoirs can be divided into several zones vertically in this region. The grain bottomland of upper T_1j~ 1 to T_1j~ 2_1 has better remaining intergranular hole and enlarged solution hole in contrast of the grain dolomite, and could be favorable reservoir.
  纵向上区内储层具有明显的分带性，T1j~1～T1j~21的上部颗粒滩相对较发育的颗粒白云岩具有较好的残余粒间孔及扩溶孔，是良好的储层；
• Analysis and evaluation of fill loading's influence on surroundings in bottomland region
  滩涂区弃土填方对周边环境影响的分析评价
• 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。
• Higher water level leading to the lack of enough sunlight in spring is harmful for the germination of submerged macrophytes and the growth of spears. While, lower water levels could also cause the overgrowth or even the death of bottomland plants.
  春季高水位导致水下光照不足，不利于沉水植物萌发和幼苗生长，夏季低水位导致水生植物露出水面，引起沉水植物的疯长或衰亡。
• 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。
• Preliminary Study on Ability of Accumulation of Heavy Metal in Different Mollusca and Their Different Tissues and Organs from Yancheng Seashore Bottomland
  盐城滩涂贝类及其不同组织器官对重金属富集能力的初步研究
• In bottomland, the erosion of stubble land of naked oats is 9.1% less than CK ( plough land), while the erosion of stubble land of corn and no-tillage of vegetable is 123.71% and 229.07% more than CK.
  以耕翻地为对照，在滩地上莜麦留茬地的风蚀量减少了9.1%，而玉米留茬地、免耕菜地的风蚀量则比对照分别增加了123.71%和229.07%。