流域模型 的英文怎麼說

中文拼音 [liúyùmóxíng]
流域模型 英文
watershed model
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 流域 : [水文] watershed; basin; drainage area; catchpit; catchment area; drainage basin; feeding ground;...
  • 模型 : 1 （仿製實物） model; pattern 2 （制砂型的工具） mould; pattern3 （模子） model set; mould patter...
  1. A binary tree - based and dyadic indicated codification method is proposed in the digital watershed model ( dwm )

    摘要在數字流域模型中提出了一種基於二叉樹理論，並以二元形式表示的河網編碼方法。
  2. A 3 - d viscosity turbulence model is used to analyze the unsteady around flow field of the thrust - vectoring engine of the jet vane, and results of the area including vane base, vane flake and motor shell are presented

    摘要以推力矢量發動機的燃氣舵為研究對象，採用三維、粘性、湍流流動模型和數值分析的接觸網格技術，在定常流動計算的基礎上，對包含舵基、舵片和發動機殼體的區域進行詳細數值分析。
  3. Iv ) as a quantitative index of wateshed topography, topograph fractal demension can represent surface shape information of watershed topography in the round. reseach find that watershed model and actual watershed show good fractal character

    通過研究發現：流域模型和實際流域地形都具有很好的分形特性，地形分形維數與流域地貌的發育過程有關，代表著流域的發育程度。
  4. The proportion that the sediment yield of the main gully accounts for the total sediment yield of the experimental watershed model is from48. 7 % to 66. 6 %, and the proportion that deposition sediment yield of main gully accounts for the total deposition sediment yield of the experimental watershed model is from64. 9 % to 99. 4 %. the developing process of topographic feature of the experimental watershed model. expanding the gully width and cutting down the gully bottom are the two chief forms of the topographic feature development

    流域模型地貌形態發育過程溝谷擴展和下切是流域模型地貌形態發育的主要形式，溝谷擴展發育主要發生在發育活躍時段，主溝所佔溝谷總面積比例在流域模型溝谷擴展發育過程中保持在60以上：主支溝下切發育在發育初期和發育活躍時段前期表現最為劇烈，其橫剖面為v字形，在發育初期和穩定時期時段呈現淺u字形和底部較為平坦的梯形，主溝的橫剖面發育明顯優先於各支溝。
  5. Some detailed arithmetics of the codification method in the dwm is presented in an appendix

    給出了數字流域模型的河網編碼中若干具體問題的演算法。
  6. At the same time, the carbon cycle at mid - latitudes of north hemisphere still remains unknown, which leads people to nowhere in gaining a deep understanding of the mechanism of global change. in xilin river basin, inner mongolia, which is right located at the mid - latitudes of north hemisphere, the high speed of social - economic development shows high rate and strong intensity to land use / land cover change in the past two decades. in this paper, remote sensing, gis and ecological modeling techniques were combined to study the land use / land cover change and carbon cycle of xilin river basin

    文章首先對內蒙古錫林河流域四個時期的landsattm / etm +影像進行土地利用/土地覆蓋分類、成圖；通過對比，分析了錫林河流域近20年的來的土地利用/土地覆蓋變化；並進一步運用gis方法研究了錫林河流域草地退化的演化路徑；最後運用century模型模擬了內蒙古錫林河流域大針茅草原、羊草草原的碳循環過程，繪制了其碳循環模式圖；並進一步分析了錫林河流域典型草原生態系統對大氣碳庫的源/匯功能。
  7. The relationship between volume of each part of model and its surface area can be described by gaussian model

    流域模型各部分相對體積與其表面積的變化關系可由gaussian模型來描述。
  8. This paper issues the framework and definition of the codification method in the dwm, delineates a drainage network in this special way with its own numerical character

    闡述了數字流域模型河網編碼方法的主要思路和基本定義，給出了這種編碼方法對河網拓撲關系的描述方式，並結合實例分析了其數值特徵。
  9. In the late part of the active developing period, the temporal variation of sediment concentration and sediment transport ratio of each rainfall can be expressed by exponent function and the variation presents quadratic polynomial function in the stable developing period. the spatial variation character of sediment yields with space of the experimental watershed model. the active position of soil erosion and sediment yield of the experimental watershed model changes from the downside to the upside with the developing process of the watershed model

    流域模型侵蝕產沙空間變化特徵侵蝕產沙的活躍部位隨流域模型發育過程呈現由流域模型下部逐漸向上部發展特徵，其中流域模型下中部為發育初期時段和發育活躍時段侵蝕產沙的活躍部位，流域模型上部是發育穩定時段侵蝕產沙的活躍部位。
  10. In the early developing period and active developing period, the downside and middle part of the experimental watershed model are the active positions of soil erosion and sediment yield respectively, and the upside of the experimental watershed model in stable developing period of the watershed model. the main gully plays dominant role in the sediment yield process of the experimental watershed model

    主溝在流域模型侵蝕產沙過程中居於主導地位，主溝的產沙量占流域模型總產沙量比例保持在48 . 7 - 66 . 6之間，在主溝的泥沙沉積量所佔流域模型總泥沙沉積量的比例也保持在64 . 9 - 99 . 4之間。
  11. Based on the fractal character of the small watershed topographic feature, the spatial and temporal variation character of sediment yield of the watershed model, the dynamic developing process and fractal character of the topog raphic feature of the watershed model, and the coupling relationship between the sediment yield and the topographic feature of the watershed model are " studied by simulate experiment, fractal theory, high precise photogrammetry and gis technology. the validation research is conducted in chabagou watershed where the observation data of rainfall, sediment and runoff for 11 years is collected. the study provides new theory and method for the topographic feature quantitative research in the prediction model of small watershed sediment yield

    本文依據流域地貌形態所具有的顯著分形特徵，從模擬實驗出發，利用分形理論和方法，結合高精度攝影測量和gis技術，對流域模型侵蝕產沙時空變異特徵、地貌形態發育過程及其相應的分形特徵、流域模型侵蝕產沙與地貌形態耦合關系進行了深入研究，並以具有11年降雨泥沙徑流觀測資料的岔巴溝流域為例進行了驗證研究，為實現從單坡面侵蝕產沙模擬、預報向流域侵蝕產沙模擬、預報轉化過程中地貌形態參數的提取提供了理論和方法，為黃土高原小流域水土流失綜合治理提供了科學實踐依據。
  12. The following parts are the research results : the temporal variation character of sediment yields of the experimental watershed model. the average sediment transport ratio of every rainfall takes on obvious period character with the developing process of the experimental watershed model. early developing period ( from the first rainfall to the fifth rainfall ), active developing period ( from the 6th rainfall to the 18th rainfall ) and stable developing period ( from the 19th rainfall to the 25th rainfall ) are defined

    流域模型侵蝕產沙時序變化特徵次降雨平均輸沙率隨流域模型發育過程表現出明顯的時段性，即發育初期時段（第一場到第五場降雨） 、發育活躍時段（第六場到第十八場降雨）和發育相對穩定時段（第十九場到第二十五場降雨） 。
  13. Iii ) the result from simulating rainfall on watershed model indicats that changes of projective area, surface area and volume represented development of watershed physiognomy. volume of model body decreased and projective area and surface area increased with developing process of watershed model. when development of gully trending to stablization, projective area become stable and surface area changed fluctuantly

    （ 3 ）流域模型的模擬降雨實驗觀測結果分析表明：流域模型地貌的發育演化主要體現在其投影面積、表面積和相對體積的變化上；流域模型投影面積和表面積在整個試驗過程中一致增大，當溝道發育逐漸趨于穩定時，投影面積變化也趨于穩定，表面積則呈現出波動性變化。
  14. In order to understand the lamp ' s negative incremental impedance of characteristics and analyze the stability of ballast / lamp system clearly, the low - frequency ballast system stability with closed loop are analyzed based on the hid lamp frequency - domain model in chapter ii

    為了更好地理解燈的負阻特性並分析電子鎮流器系統的穩定性問題，論文第二章著重從燈的頻域模型出發分析了閉環控制下的低頻方波電子鎮流器系統的穩定性問題。
  15. Simulation and analyses on the model are done. the paper gives detailed analyses of the motor ' s exciting current by the experiment of the voltage regulation system for the first time. the methods of improving automatic voltage regulator are presented based on the analyses of results

    然後設計了發電調壓器的硬體電路，建立了調壓系統的頻域模型並進行了模擬分析，對發電系統作了較為全面的實驗，首次詳細分析了勵磁電流的變化規律，分析了實驗結果，提出了調壓器的改進。
  16. In order to make sure the requirements, use case templates, graphical interfaces and domain modules are applied in capturing customer requirements. the target of designing a system is to obtain the software architecture, which is the high level view of the pending system. the high level module of the system can avoid thick design flaw

    捕獲需求工作流中採用用例模板、界面和領域模型來捕獲較精確的用戶需求，設計的目標是獲得系統的軟體體系結構，它是系統的高層模型圖，從而可以避免過分設計的缺點。
  17. In order to make sure the requirements, use case templates, graphical interfaces and domain modules are applied in capturing customer requirements

    捕獲需求工作流中採用用例模板、界面和領域模型來捕獲較精確的用戶需求。
  18. Many fluid models just present only one aspect of fluid, and can " t present some important properties simultaneously, such as speed, heightfield etc. which are necessary in many fluid simulation systems. although the traditional raytraced - based rendering algorithms can obtain high quality graphics, they can " t be used in real - time systems. this paper investigates the existing fluid models and rendering algorithms firstly

    許多現有的流體模型只能單獨描述流體的某些屬性，不能同時描述流體的一些重要屬性，如：速度，高度域等，而這些屬性在很多與水流有關的模擬系統中是必不可少的；傳統的光線跟蹤渲染演算法能夠產生具有很強真實感的圖形，但是不能夠滿足實時的需求。
  19. The performance of hec - hms was compared with that of the xinanjiang conceptual model using historical flood data from the wanjiabu catchment in china

    分別將hec - hms和新安江模型應用於江西萬家埠流域，模擬了歷史洪水過程。
  20. Topography fractal dimension related with process of development of watershed physiognomy and represented degree of watershed development, v ) sediment yield intensity of watershed model reflected erosion characteristic of watershed model in different development phase. simulating experiment indicated that sediment yield intensity took on the trend that they changed from small to big then decreased gradually. the relationship of average sediment transport rate and sediment yield rate per mm rainfall with topography fractal demension is expressed by gaussian model and this model is similar with relationship between volume and surface area

    （ 5 ）流域模型產沙強度的變化反映了流域模型在不同發育階段的侵蝕特徵，模擬試驗研究結果表明：在整個流域模型地貌地貌的發育過程中，其產沙強度呈現由小到大，然後又逐漸減小的總體趨勢，流域模型單位降雨產沙率及平均輸沙率與地形分維數表現為gaussian模型關系，其關系形式與結論3中相對體積和表面積之間關系相似，進一步說明了以地形分維數表達地形變化的合理性。
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