流域分水線 的英文怎麼說

中文拼音 [liúyùfēnshuǐxiàn]
流域分水線 英文
basin divide
  • 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
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 流域 : [水文] watershed; basin; drainage area; catchpit; catchment area; drainage basin; feeding ground;...
  • 水線 : waterline; shoreline水線標志牌 subaqueous cable marker; 水線面 water plane; 水線漆 topping paint;...
  1. On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory

    論文著重介紹實現了跳頻通信系統同步的一般方法，並詳細分析和對比跳頻同步系統的捕獲方案，在此基礎上，提出了一個基於匹配濾波器的位移等待式自同步方案，設計、完成並給出了詳細硬體連線電路圖、軟體程序流程圖和部分程序清單，該自同步方法在實驗室水池實驗取得良好的效果，並在廈門港海域進行了現場實驗測試，具有較低的誤碼率和一定的檢測概率，結果令人滿意。
  2. The continental divide refers to an imaginary line in the north american rockies that divides the waters flowingsintosthe atlantic ocean from those flowingsintosthe pacific

    大陸分水嶺是指北美洛磯山脈上的一道想象線，該線把大西洋流域和太平洋流域區分開來。
  3. The continental divide refers to an imaginary line in the north american rockies that divides the waters flowing into the atlantic ocean from those flowing into the pacific

    大陸分水嶺是指北美洛磯山脈上的一道想象線，該線把大西洋流域和太平洋流域區分開來。
  4. The methods for solving these problems are put forword as follows : the method of airphoto scale rangs from 1 / 4 to 1 / 6 of map scale ; a flight line uses belt method ; the optional time intervals of airphoto taking are from may to june and from august to october in one year ; when the contrast at the site is small, or the visibility is rather low and needs to enchance the contrast, the hardening agent should be prepared to process the film

    並提出了解決問題的方法：山區航空攝影合理的攝影比例尺應是成圖比例尺的1 / 4 ~ 1 / 6 ；對于山區窄而長，且為線狀走勢的河流宜採用帶狀航線設計方法設計；山區流域水分充足能見度不好，惟每年5 - 6月和8 - 10月是航空攝影的最佳季節；當地面物體反差小或能見度不好而需要特別提高反差時應配製較硬性藥水沖洗等。
  5. Through the analyses of characteristics of gully thalweg and soil erosion in upland and gully land, sediment sources in small watershed, sediment yield relationship between upland and gully and ecological functions of vegetation corridor, it is considered that vegetation corridor combined with land preparation measures may block runoff and sediment from upland and reduce the amount of soil erosion in a watershed by 54. 5 % ~ 77. 0 %

    摘要在分析黃土高原地區的溝沿線、溝沿線上下溝間地和溝谷地土壤侵蝕特徵、小流域泥沙來源、坡溝侵蝕產沙關系的基礎上，結合廊道的生態功能和以往的研究結果，認為在溝沿線的上部建立草灌與整地工程措施相結合的植物廊道，來攔蓄阻截溝間地的來水來沙，可使流域的土壤侵蝕量減少54 . 5 % ~ 77 . 0 % 。
  6. For a x - directed line current with lengh much smaller than a wave length, the e - field pattern on coordinate planes in 3 - d space in the region from much smaller than line length to one or two wave length, the synthesized pattern by summation of the field of many line segments of hertz dipoles is independent of the number of segments, i. e. same field as a single hertz dipole

    以水平面上三角形甚小於波長線電流為例，分割為若干小段之赫芝偶極所加總合成在三度空間任意座標平面上距離從甚大於線長到一兩個波長區域之電場場型與分割小段數量無關，即等同於一單一赫芝偶極之場型。
  7. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為： （ 1 ）黃河河口口門逕流潮汐區域並非持續保持淤積狀態，在特定的來水來沙、邊界條件和海洋動力條件下，該區域可以處于沖刷狀態； （ 2 ）從河口泥沙沉積分配的過程來看：三角洲與濱海區泥沙的沉積變化趨勢是基本一致的，各部位的泥沙沉積比例變化基本呈波動狀態，且三角洲與濱海區泥沙的沉積比例與來沙量密切相關，基本成正比關系； （ 3 ）在口門處，影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等，本報告主要對口門加寬，口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: （一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式，據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 ）本項研究首次論證了河口三角洲岸線動態平衡的概念，並建立了黃河河口來沙量與造陸面積的相關關系，得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 ）本項研究首次提出了河口泥沙優化調控的概念，並對其宏觀優化調控模式進行了初步探討。
  8. In this paper, the common used encoding algorithms and basic finite - field opera - tions algorithms are introduced, and the decoding algorithms such as inverse - free ber - lekamp - massey ( ibm ) algorithm, reformulated inverse - free berlekamp - massey ( ribm ) algorithm and modified euclidean algorithm are analyzed in great detail. based on the ribm algorithm, a modified structure and a pipelined decoder scheme are presented. a tradeoff has been made between the hardware complexities and decoding latency, thus this scheme gains significant improvement in hardware complexity and maximum fre - quency

    本文簡要介紹了有限域基本運算的演算法和常用的rs編碼演算法，詳細分析了改進后的euclid演算法和改進后的bm演算法，針對改進后的bm演算法提出了一種流水線結構的譯碼器實現方案並改進了該演算法的實現結構，在譯碼器復雜度和譯碼延時上作了折衷，降低了譯碼器的復雜度並提高了譯碼器的最高工作頻率。
  9. To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,

    本文以寧夏半乾旱地區鹽池縣沙地水資源為研究對象，對該地區多年降水資料、蒸發資料、徑流資料、水文氣象資料、水文地質資料進行了詳盡的分析，分析了沙區的水資源狀況，從地表熱量平衡、水量平衡的基本理論出發，結合沙區的氣象、水文、土壤等資料建立了區域水資源量估算模型，計算了該地區的地表水、地下水，根據實際資料進行了模型檢驗，並對未來不同氣候變化情景下的水資源狀況進行了預測分析，提出了該地區水資源合理利用的方案，運用非線性動力模型對降水量進行預測，同時利用實際觀測資料，運用水量平衡原理計算出沙地地下水的天然補給量，並對沙區地下水可開采量進行預測。
  10. Finally, taking the panjiakou reservoir in the haihe river basin in china as an example, the paper analysis the reasonable adjustment scheme of the limited level of the reservoir during the flood season according to the design flood, the flood forecasting, the flood control operation under forecasting, the flood control standard of upstream and downstream of the reservoir, the immigrants range, and the benefits and the risk of the reservoir in a long period of the operation simulation

    最後以海河流域潘家口水庫為分析實例，從設計洪水、預報預泄、洪水預報調度方式、上下游防洪設計標準、上游移民淹沒及土地退賠線、水庫長期運行的風險和效益等多個方面分析論證了水庫汛限水位的合理調整方案。
  11. Considering the seepage of linear and the seepage of non - linear in the karst area are always coexisting, the model of linear seepage and non - linear seepage is put forward firstly on the basis of domain decomposition method. the movement of groundwater in an ideal model is simulated with this method, and the program of dar - nondar. for is compiled. then these results are applied to zhongliang water resources and power engineering, the leakage quantity of karst water is calculated

    考慮到巖溶區滲流往往都是線性流與非線性流並存，首次提出了基於區域分解法理論的線性?非線性滲流模型，利用該方法模擬出理想模型中的水流運動，並編制了計算程序dar - nondar . for ，然後將該成果應用於中梁水利水電工程中，預測出庫區巖溶水滲漏量。
  12. The change of discharge and diversion ratio of the main junction is calculated by the 1 - d model, and the influence of the engineering on the whole pearl river delta networks is analyzed

    同時利用一維數模計算工程后水面線及河網主要節點流量和分流比的變化，從整體的角度分析工程對整個珠江三角洲流域的影響。
  13. Due to the complexity of the east route of the south - to - north water transfer project, the systems analysis method has been adopted in this research project to develop a water transfer model. a simulation system for water regulation was established by employing java programming language and sybase. the simulation system is applicable with the aid of the object - oriented programming method and the multi - platform function

    針對南水北調東線工程跨流域調水的復雜性，本論文採用系統分析的方法建立了南水北調東線工程水量調度模型；利用具有跨平臺功能的面向對象的java語言和基於客戶服務器結構的sybase數據庫建立了南水北調東線水量調度模擬系統；該系統具有良好的功能，有利於系統的維護和推廣。
  14. By use of the model, the gdp change, the benefit per unit water, the water flow into sea and the discharge change of main river section are obtained for beneficial regions of the south - to - north water transfer

    通過模型框架，將水資源系統中的宏觀經濟子系統和水資源子系統相互作用通過內生變量聯接起來，分析南水北調西線工程對黃河流域受水區的影響，得到黃河流域二級區不同配水方案相對于無調水情況的gdp變化、單方水效益、人海水量和主要斷面流量過程變化等。
  15. The main research content and results are as follows : ( 1 ) based on detailed description of current research trend and development in this field and analysis of the basic data of the reservoir and the watershed, the aims, contents and methods of this study are put forward

    論文的主要研究內容及取得的研究成果如下： （ 1 ）在綜述本領域研究動態與發展趨勢、分析金盆水庫的設計資料、流域徑流資料及水庫供水對象的需水狀況的基礎上，提出了本次研究的研究思路和技術路線。
  16. The geomorphological instantaneous unit hydrograph ( giuh ) is viewed as the frequency distribution of the times of arrival of individual water deoplets at the catchment outlet. the travel path, for a typical hillslope cell. consists of a hillslope fraction, corresponding to overland flow and a stream fraction, corresponding to concentrated channeled flow. to obtain the time of travel, velocities must be defined. hillslope and stream velocities vary with location and must be strongly correlated with slope, and therefore a spatial distribution of velocities and hence of travel times could be obtained. the present methods of giuh neglect any time delays associated with overland flow pathways

    地貌單位線被看作是流域上各水質點在弱相互作用下，到達流域出口匯流時間的頻率分佈。對於一個典型的山坡型網格單元，匯流路徑由兩部分組成，即坡地部分和河道部分，為了得到匯流時間，必須首先確定匯流速度。坡地和河道的匯流速度隨著區域位置而變，並且必然與坡度有關，因此，可首先計算流速的空間分佈，進而得到匯流時間的空間分佈。
  17. Since the company began to resrerch and make radiators in 80 ' s last century, domestically advanced production lines have been adopted in the production. we sim at 100 % conformity of heat impedance performance curve with the testing standards stipulated in st2564 - 85 standard book of " profiled material raditors " which is promulgated by ministry of electronic industry of people republec of china. the radiators are matching heat - radiating components for power semiconductors, generally can be applied to fields of large and small power appliances, hi heat current density utensils, whole - set apparatus, electuonics and electrical devices, etc

    本公司自八十年代初研製生產散熱器系列產品以來，採用國內最先進的生產流水線，工藝精湛，其熱阻特性曲線均按中華人民共和國電子工業部標準st2564 - 85 《型材散熱器》規定的檢測方法，百分之百達到設計要求，是功率半導體器件的配套散熱元件，運用於多種大、小功率電器熱流高密度、整機設備、電子，電器等領域。
  18. Based on the co - linearity analysis of runoff and precipitation among different hydrological stations and various kinds of water and soil conservation measures, a statistical hydrological model of precipitation - soil and water conservation - runoff for the river basin is established by applying multiple regression method to analyze indicators and runoff data

    摘要本文在變量共線性分析基礎上，提出了流域降水量標度和水土保持標度及其計算方法，建立了流域降水水土保持徑流統計模型，該模型不僅能分離水土保持措施對河川徑流量影響程度，而且還可分析降水及水土保持對流域徑流量變化的影響。
  19. This paper proposes the planning and establishment of a regional ecological infrastructure along the great canal to support the sustainability of the east china, meanwhile provides opportunities for local and regional recreation, and protects a historical heritage corridor

    京杭大運河作為南水北調工程東線的主要組成部分，跨流域大規模調水工程將會帶來巨大的景觀生態影響，都為建設中國東部生態基礎設施和可持續國土安全計劃帶來莫大挑戰和機遇。
  20. Secondly, my paper researched low flow frequency analysis in karst drainage and selected four types of the theoretic frequency distributions. log - normal distribution and p - iii distribution are applicable to low flow frequency analysis in karst region by caculating and comparing. furthermore, the low flow frequency distrbutions are almost same in these drainages of different types of landforms

    二是對喀斯特流域的枯水頻率分析作了初步研究，選擇了四種理論頻率曲線經過計算和比較，得出適用於喀斯特地區枯水頻率分析的線型是對數正態分佈和皮爾遜?型（ p ? ）分佈，並且流域中地貌類型的差異對枯水頻率曲線的選擇幾乎是無影響。
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