河流的中下游 的英文怎麼說
中文拼音 [héliúdezhōngxiàyóu]
河流的中下游
英文
middle and lower reaches of the river- 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...
- 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...
- 的 : 4次方是 The fourth power of 2 is direction
- 下 : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
- 游 : Ⅰ動詞1 (人或動物在水裡行動) swim 2 (各處從容地行走; 閑逛) rove around; wander; travel; tour 3...
- 河流 : rivers; stream
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The han nationality distribute all around the country, mostly in the downriver of three drainage area that is yellow river, the changjiang river and the zhujiang river and the northeast campagna
14漢族分佈在全國各地,主要聚居在黃河、長江、珠江三大流域的中下游和東北平原。Based on field data and former researches, influence of inflow of anabranches on middle and lower reaches of the hanjiang river was analyzed
摘要在實測資料和前人研究的基礎上研究了支流入匯對漢江中下游水沙條件、河床演變以及河流功能維持的影響。Separately speeking, for outward rivers in cansu ( either to the yellow river or to the yangtze river ), the allocable water resources are mainly the river runoff and groundwater, the priority sequence of water resources allocation would be : the water use for maintenance of local plantation including the environment - oriented and irrigated ones, water use for social and economic activities, and the runoff to lower reaches
外流河流域的降水首先為當地的植被耗用,剩餘的才形成可供開發的地表徑流和地下水;水資源配置的順序是:當地植被耗水,當地社會經濟用水,最後形成干支流出境的徑流供中下游地區使用。Thus, a project, named as east - to - west water transfer, is being planning for solving the water shortage of the mentioned above cities. the project will transfer the water from the main stem of the hunjiang river into the dahuofang reservoir in the suzihe stream, a tributary river in the liao river, with 80 kilometers tunnel
遼寧省擬先從渾江幹流取水,通過87 . 5公里的引水隧洞,將水引至蘇子河入大夥房水庫,以供給遼河中下游地區,解決其工業和生活用水之緊張局面。Compared with the 1960s, the sunshine percentage of 1990s decreased in the middle and lower reaches of the yellow river, and increased a little in the upper reach
對日照百分率氣候變化的空間分析表明,除極少數臺站的日照百分率呈略有上升趨勢外(主要出現在流域上游) ,黃河流域日照百分率的下降表現得非常明顯,遍布整個流域的中、下游。The results indicated that the originating centre of cultivated soybean in china was a stripe region from southwest to northeast, including sichuan, shaanxi, henan, shanxi, shandong and hebei provinces. the northern spring soybean might originate in yellow river valley, and then, spread to the northeast and northwest of china
結果表明,中國栽培大豆起源中心為由西南向東偏北方向延伸的帶狀區域,包括河北(含北京) 、山東、山西、河南、陜西、四川等省(市) ;北方春大豆起源中心可能在我國黃河流域中下游地區,以後向東北和西北擴散,南方地區春大豆和南方夏大豆的起源地可能在四川,以後向南、東南方向傳播。This theme selected weihe river round tianshui, jinhe river round binxian, bahe river round lantian and luohe river round luochuan to study the evolutionary model of river terraces in the mid - tail of weihe river. we have built the cross - section of each river, and analyzed the evolution of each river terrace in the mid - tail of weihe river according to the velocity of downcuting and lateral erosion
本論文以天水渭南鎮段渭河、彬縣段涇河、藍田段灞河和秦家河段洛河為例建立渭河中下遊河流階地演化模式,以階地形成年代為標尺,根據下切速度和側蝕速度對渭河中下游各河谷階地的演化過程進行了分析。This thesis concludes the flood control situation, engineering measures and the situation of optimal dispatch method. it studies flood control engineering system, which is composed of flood prevention reservoir, river course dyke and natural detention basin, and the relationship between various flood engineering measures according to the composition and characteristics of the flood control engineering of the middle - lower reaches of beijiang. it suggests the objective function based on the least flood loss and the optimal dispatch strategy structure of the middle - lower reaches of beijiang bound with the requirements of the flood gradual progress equation combined with hydrology and hydraulics
本論文總結了我國防洪情勢、防洪工程措施及其優化調度方法研究的現狀;針對珠江流域北江中下游防洪體系的組成及其防洪工程的特性,研究由防洪水庫、河道堤防和天然滯洪區共同組成的防洪工程體系中各防洪工程措施之間的關系;提出了以洪災損失最小為目標函數、以水文學和水力學相結合的洪水演進方程等要求為約束條件的北江中下游防洪體系優化調度策略框架。The sand and gravel in the yangtze river is good building and filling materials
摘要長江中下游幹流河道內的砂石是較好的建築和填築材料。There are 6 dominant spatial patterns : same distribution allover the country ; the seesaw between the regions of south of the yangtze river and mid - lower reaches of the yellow river ; the seesaw between the regions over the yangtze river and the yellow river and the south part of south china ; coherent variations over the yangtze - huaihe river basin and north - east china and opposite variations in the regions of north china and north - west china and south - east part of china ; the seesaw between the east part and the west part of china ; coherent variations over mid - lower reaches of the yellow river and south china and opposite variations in the yangtze river basin
近44年來我國逐旬降水量年變化特徵主要存在六種空間分佈型:全國大范圍地區年變化特徵一致的分佈;長江以南地區和黃河中下游地區降水量分佈相反;長江、黃河流域和華南沿海降水量分佈相反;長江、淮河流域和東北地區與華北、西北和東南沿海降水量分佈相反;我國東西部地區降水量分佈相反;長江流域與黃河中下游和華南降水量分佈相反。( 2 ) in term of two cases that being upstream long - liu regulation or not, solved optimal model to obtained compensation results of water supply and generation electricity. the ning - meng system increased water 17. 08 * 10a8 m3, the downstream system increased 7. 13 * 10a8 m3 ; the runoff power stations increased generation 8. 93 * 10a8 kw - h, the san - xiao increased 9. 10 * 10a8 kw - h
( 2 )按照「無」龍劉調節和「有」龍劉調節兩種情況,分別進行模型求解計算,對比分析得到黃河上游水電站為中下游提供的水量以及電量補償調節結果:多年平均上游水電站為寧蒙灌區增加有效供水17 . 08億m ~ 3 ,為下游省市增加有效供水7 . 13億m ~ 3 ;為上游徑流式電站增加電量8 . 93億kw ? h ,為三小增加電量9 . 10億kw ? h 。Shui buya hydro - hinge is the upest cock step of three - step cascade hydroelectric power stations from upstream to down stream on the middle low reach of the main course of qingjiang river, which is going to be developped by hubei qingjiang hydroelectric development ltd after constructing ge he yan and gao ba zhou hydroelectric power stations
水布埡水利樞紐是湖北清江水電開發有限責任公司繼隔河巖、高壩洲水電站之後,在清江中下游幹流上實施三級梯級開發的最上一級龍頭水電站工程。By the end of 2004, its permanent residents totaled 83. 0372 million, ranking third in china. located in the middle and lower reaches of the pearl river, one of china s seven longest rivers, guangdong boasts favorable geographical conditions. it has 21 above - prefecture - level cities, among which guangzhou and shenzhen are auxiliary province - level cities which are counted as two central cities in guangdong
72萬人,人口數量在全國排第三位;廣東地處中國七大江河之一的珠江流域中下游,地理條件優越;全省共有21個地級以上市,其中廣州、深圳為副省級市,是全省的兩個中心城市。For rambling manner, multifold optimal strategies are studied : the fundamental principle of occlusion culling is to reduce the i / o data amount on the basis of view frustum culling by taking the keep - out relation of spatial objects into account. by constructing presentations with different detail levels for spatial objects in every sub scene, simplification of lod increases the efficiency of data i / o at the expense of visualizing precision measurably. by utilizing the superiority of multitask operating system, the multithreading synchronous mechanism can help to implement the dat a i / o and scene visualization in different threads
這套處理方法已經嵌入到我們自主開發的三維地理信息系統平臺軟體sei3d系統之中,作為「大連市空間數據資源中心, ,及「大連理工大學空間技術研究中心, 』面向「數字大連, ,戰略開展三維gis研究的一項重要成果,其主要思想在「灤河中下游流域三維場景演示系統」項目中己經得到了應用與檢驗,最終結果達到了用戶的開發要求。Shenyang, fusun benxi liaoyang anshan and yingkou, these large and middle cities located in the middle and down reaches of the liao river are greatly shortage of water and the water in the liao river cannot satisfy their demand
遼河中下游地區的六座大中城市(沈陽、撫順、本溪、遼陽、鞍山、營口)水資源匱乏,不能自給,需從外流域調水。The keys to sand mining management in the trunk channel of the middle and lower yangtze river are whether or not the related decision of the country is scientific and reasonable, whether or not the policies of all level governments are correct
長江中下游幹流河道采砂管理的好壞,關鍵就在於國家的有關決策是否科學、合理,各級人民政府的政策擇取是否正確。The development course of sand mining management in the trunk channel of the middle and lower yangtze river is also the course of continual renewal and readjustment of national and all level government ' s policy decision on sand mining in river channel
長江中下游幹流河道采砂管理的發展歷程,也就是國家及各級政府有關河道采砂問題決策不斷更新、調整的一個過程。The plan and research process, the main achievements and effectiveness on sand mining in the trunk channel of middle and lower yangtze river are systematically presented and the further work suggestions on doing a good job of sand mining plan in trunk channel of the middle and lower yangtze river are put forward
較系統地闡述了長江中下游幹流河道采砂規劃研究過程、取得的主要成果以及成效,提出了進一步做好長江中下游幹流河道采砂規劃工作的建議。With the development of agriculture and industry and the enlargement of man ' s activity, the demand of water supply has increased in the region over the past decades. in the backward areas along the heihe river, there are a lot of ecological environmental problems such as lake dried up, sustainable, lowering of ground water level, water pollution, soil salinization and desertification, degradation of natural oasis and grassland, as well as sand storm
近幾十年來,由於工農業的發展和人類活動的擴大,黑河流域中下游用水量的增加,黑河下游出現了嚴重的缺水現象,由此導致了一系列諸如河流湖泊乾枯、地下水水位持續下降、水質惡化、植被退化、土壤鹽堿化、土地風蝕化等環境問題。包氣帶水分、鹽份的分佈和運移對地表植被生長有著重要的影響。Han nationality distributied every part of the country, mainly congregated in yellow river, yangtze river and pearl river downstream of three major rivers and the northeast china plain
14漢族分佈在全國各地,主要聚居在黃河、長江、珠江三大流域的中下游和東北平原。分享友人