活動河床 的英文怎麼說

中文拼音 [huódònghéchuáng]
活動河床 英文
movable bed
  • 活 : Ⅰ動詞1 （生存; 有生命） live 2 [書面語]（救活） save （the life of a person）:活人無算 （of a goo...
  • 河 : 1 （天然的和人工的大水道） river 2 （指銀河系） the milky way system; the galaxy 3 （特指黃河） t...
  • 床 : i 名1 （供人睡覺的傢具） bed; couch 2 （像床的器具、地面） something shaped like a bed Ⅱ量詞（用...
  • 活動 : 1 （運動） move about; exercise 2 （動搖） shaky; unsteady 3 （不固定） movable; mobile; flexible...
  • 河床 : riverbed; bed; poised river; [英方] waterstead; cauce
  1. The improved scheme can ensure the south branch to be open to navigation and the flow here not to be broken in low water seasons, and it will have active effect on protecting the south branch and fuyuan town. this study is an attempt of applying three - dimensional mathematical model in analogue calculation and analysis of flow, sediment and riverbed movements in a long river reach. it is very important for the future thorough research, and has great significance for promoting the application of the three - dimensional model to resolve

    本研究是三維數學模型對較長河段水流、泥沙、河床運動模擬計算分析的一次嘗試，其對今後進一步深入研究和應用三維模型解決工程實際問題，完善模擬方法、提高模擬水平，真正發揮數學模型其省時、省力、靈活方便和模擬細膩等在研究水沙運動規律和河床變形等方面研究中優勢具有重要的意義。
  2. Basic equation for variation of bed material composition in active layer of alluvial river

    沖積河流混合活動層內床沙級配變化的動力學基本方程
  3. In recent years it is more severe because of temperature changes, mankind activities, scouring and silting. the special geographical position, hydrometeorological condition, river course characteristics are main reasons for ice flood

    由於近幾年來氣溫的變化、人類活動、河床沖淤等流域環境的變化，使得凌汛的威脅不僅依然存在，而且發生冰害的河段有所增多，影響范圍隨之擴大。
  4. According to the data analysis, the large scale and continuous excavating sand from the riverbed, which has caused the riverbed downcutting, water level decline and relative strengthening of tidal action, is the basic and main cause that raises the saline water intrusion in the peal river network area, but the arid climate and the sea level rise only aggravate the disaster

    咸潮災害發生前和發生時期進行的大規模採掘河沙活動使三角洲河床普遍大幅度下切，河流水位下降，潮汐作用相對增強，這是引發咸潮的主要原因；而天旱和海平面上升等則使咸潮災害加重。
  5. The same grade terrace height beside the river is surveyed at almost the same level, proved that the hidden fault under the river never moved after

    經測量河流兩側相對應的同級階地面處在相同的高度上，證明自晚更新世大凌河三級階地形成以來位於大凌河床底部的隱伏斷裂沒有過活動。
  6. The dalinghe hidden fault, as an example in this paper, is just located under the dalinghe river, so the activity of this hidden fault can be defined by comparing quaternary layers and terraces beside the river hidden fault. based on spore analysis of 17 layers and several

    以大凌河隱伏斷裂為實例，根據斷裂位於大凌河床底部的特點，通過對比河流斷裂兩側的第四紀地層和階地，對隱伏斷裂的活動性進行研究。孢粉分析和
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