沙堤形成 的英文怎麼說
中文拼音 [shādīxíngchéng]
沙堤形成
英文
bank build-up-
Northeast because of following the sea strong breeze function, the sand ground is most the breadth to amount to 2030 kilometers of s, some sand dikes with a few place be juxtaposed, becoming one lagoon plain of special sand dike
東北部由於沿海強風作用，沙地最寬達20 30公里，有些地方幾條沙堤並列，形成特殊的沙堤一瀉湖平原。The lake shore sandy dike in the shrinking process of " hetao ancient lake " in the geologic period, which is suffered from the wind force function " rises right on the sandy land ", is the substantial basis of the formation of maowusu sandy land
摘要地質歷史時期「河套古湖」退縮殘留的湖濱沙堤受風力作用「就地起沙」 ，是毛烏素沙地形成的物質基礎。Bank build - up
沙堤形成The dissertation focus on the main conflict of flow and sediment change, by analyzing the flow and sediment features, and change in rivercourse of typical period in histry, collecting the data of riverbed change. according to the flow and sediment change condition, combining the existed water works, and based on the results of former researches, the study are conducted on the law of flow state change by comparing rivercourse conditions before and after the completion of sanmenxia project, which may provide some idea for flow state change when xiaolangdi project completed and put into operation and some basic clue for the prediction of variation trend of river section from tiexie to shendi, from shendi to tieqiao near zhengzhou, from tieqiao near zhengzhou to dongbatou, from dongbatou to gaocun and so on in the year 2010 and the period 2010 to 2020. the result may provide some reference for flood control of these wangdering river sections, and some guidelines for planning of water projects and arrangement of project sequence
本課題緊緊抓住小浪底水庫運用后水沙變化這一主要矛盾，通過分析研究以往典型時期的水沙特點和河道演變特點，收集分析河床邊界條件變化資料，小浪底水庫運用后水沙資料變化，結合現有河道整治工程建設情況，總結前人的研究成果，重點研究三門峽水庫運用後下遊河道河勢變化的規律和特點，探索小浪底水庫運用後下遊河勢變化情況，分析預測游蕩性河道鐵謝至神堤、神堤至鄭州鐵橋、鄭州鐵橋至東壩頭、東壩頭至高村等各個河段在2010年， 2010年至2020年期間的河勢變化趨勢，為分析游蕩性河段的防洪形勢，指導河道整治工程建設的規劃和工程安排提供決策參考和依據。分享友人