自然堤防 的英文怎麼說
中文拼音 [zìrándīfáng]
自然堤防
英文
natural levee- 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
- 然 : Ⅰ形容詞（對; 不錯） right; correct Ⅱ代詞（如此; 這樣; 那樣） so; like that Ⅲ連詞[書面語] （然而）...
- 堤 : 堤形容詞[書面語] （水清見底的樣子） （of water） clear
- 防 : Ⅰ動詞（防鷥） provide against; defend against; guard against Ⅱ名詞1 （防守; 防禦） defence 2 （堤...
- 自然 : 自然at ease; natural; free from affectation
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Sediment and soil were removed to expose the bedrock and enable the dams to be erected on solid rock. the cofferdams were retained, and the seaward one served as a protective structure. the seawardside of the cofferdam for the east dam was placed with more than 7, 000 dolosses, each weighting 25 tonnes to stop the pounding ocean waves
堤壩建成后，圍堰仍然保留，用作主壩的護堤，西壩的護堤，向海的一面更安放了七千多塊每塊各重25噸的防波石，阻擋來自南中國海及太平洋海浪的沖擊。This paper presents a method of probability analysis in order to develop the general design and analysis methods for problems of the embankment stability under random storm wave actions as well as with random properties of the embankment medium. the major purpose of this study is carry out modellings of ( 1 ) probability analysis for the problem of seepage stability of levee projects ; ( 2 ) probability analysis for the problem of erosion due to washout sediments from the embankment ; ( 3 ) numerical analysis for coastal evolution due to beach erosion under energy actions of storm wave
本文根據598084號年浙江省自然科學基金項目和g59901號國家教育部回國留學人員科研啟動基金項目的部分研究目標和研究內容的要求應用概率分析方法研究了在隨機風浪荷載作用下和築堤材料隨機性影響下防護堤壩抗滲流、抗沖刷穩定性的分析計算模型；用數值分析方法研究了在浪潮能量作用下岸灘侵蝕造成海岸演變問題的數學分析模型。There are two purposes in numerical harbor : one is to reduce the investment of harbor, it includes planning breakwater and selecting water way more reasonably, the other is to increase the benefit of harbor, the main content of which is to reduce maintenance cost and to take operation decision according to the natural conditions
建立數值化港區的目的有兩個：一、降低港口的建設投資，更為合理地進行堤防布置和航道選取;二、提高港口效益，其中的主要內容是降低港口的維護費用，並智能化地根據當前自然條件進行港口營運決策。
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