洪水周期 的英文怎麼說

中文拼音 [hóngshuǐzhōuqī]
洪水周期 英文
flood cycle
  • 洪 : i 形容詞（大） big; vast; grand Ⅱ名詞1. （洪水） flood 2. （姓氏） a surname
  • 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...
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 洪水 : waterflood; deluge; flood; flowage; torrent; spate; flood water; [義大利] acqua alta洪水泛濫 floo...
  1. Also to get some new conclusion of glacial lakes burst floods, in possibility study of glacial lake burst, and in qualitified study of the safety of the glacial lakes. the first character of this paper introduce the background of this paper, set the goal, content and methodlogy of the study work in this paper. the second chapter of this paper focuses on the meterological character, runoff composition character, why not correspondency of ratio of rainfall and runoff in same period to annual value for nianchu river, lasha river, niyang river and the middle reach of yalu - zangbu river

    本文第一章介紹了課題的研究背景，提出了研究目標、內容和方法；第二章重點分析了年楚河、拉薩河、尼洋河和雅魯藏布江幹流中游段的氣候特徵，徑流組成特性，同期降水、徑流占年總量比例的不對應特性和原因，徑流年內年際變化規律及徑流深分佈特性，分析了天然洪水的特點和洪水參數；第三章介紹了冰川終磧湖的特點，結合已經發生潰決的冰川終磧湖的有關調查資料和考察資料，分析提出了危險冰湖判別指標和發生潰決的氣候條件、周期性特徵，提出了冰湖潰決洪水的計算途徑。
  2. When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge

    以75000km ~ 2的川中丘陵地區為試點研究區，繪制了該地區新模型的參數等值線圖，率定了不同設計頻率的改正系數，使設計者只需在地形圖上獲取集水面積，河道平均坡降和流域形狀系數，在參數等值線圖上查得橋涵所在地的相應參數，使用計算器即可迅速計算出設計流量，大大縮短了設計周期，且精度較高，設計的洪水流量一般低於傳統方法，從而可減小橋涵跨徑，節省投資。
  3. The eni of el nino events is expressed by using differences of sea surface temperature in the area of equatorial east pacific 010s, 90180w. based on eni s definition, 25 el nino events and 26 la nina events from 1870 to 2000 are defined. and the starting and ending time of 1997 s strong el nino event is predicted six months ahead of the event by using eni s three periodical overlapping prediction method. the prediction offers great support to the accurate prediction of the flush flood occurred along nenjiang river in 1998

    使用赤道東太平洋010s ， 90180w海水表面溫度sst距平值表徵厄爾尼諾拉尼娜事件指數eni 。根據eni定義出1870 - 2000年期間25次厄爾尼諾事件和26次拉尼娜事件，採用eni三周期疊加預報模式提前6個月預測出1997年強厄爾尼諾事件的開始和結束時間，為較準確預測出1998年嫩江特大洪水提供了預報依據。
  4. Focusing on the sanyang wetland in wenzhou of china, and inspired by the principle of life and cosmos from taoism, the plan analyses the rules of water regime, lifecycles and cycling human productive behaviors ecologically, and tries to combine them through an efficient spatial - temporal organization to make " everything take its own course naturally ", in order to respond to complex challenges faced by the project : agricultural production, environmental deterioration, flood threat as well as habitat regeneration

    選取溫州三?濕地為研究對象，汲取道家對于生命和宇宙規律的認識，對水文周期、動植物生命周期和人類生產活動周期的規律進行生態學研究，試圖通過經濟有效的時空布局將其巧妙嵌套，讓萬物「自然而然」自行其道，以回應基地面臨的農業生產、環境品質惡化、洪水威脅以及棲息地再生等復雜的挑戰。
  5. ( 4 ) by five terraces surrounding the ancient barrier lake, presuming that destroyed process of the ancient barrier lake is at least divided into five phases at the time span of two thousand years to three thousand years, and it reflects the five times flood in the course of the destroying of the ancient barrier lake

    （ 4 ）依據古堰塞湖湖相沉積中存在的五級階地，說明古堰塞湖至少分為明顯的五個階段突發性消亡的，消亡的平均周期為2 3千年，並且反映了古堰塞湖消亡過程中五次洪水事件的發生。
  6. After the hydraulic project of the three gorges of the yangtze river is completed, the water level in front of the dam of the three gorges reservoir area will be raised from the now several tens of meters to 175 meters. furthermore, because of the needs of preventing floods, the water level of reservoir area will be adjusted periodically between 175 meters and 145 meters every year. this will inevitably cause the revival of part ancient landslides and the formation of new landslides, which will definitely influence the urban construction, the traffic transportation, the people ' s life and property security, etc. in the three gorges reservoir area

    長江三峽水利樞紐工程建成蓄水后，庫區壩前水位將由現在的幾十米海拔高程提高到175m ，且由於防洪的需要，庫水水位每年還將在175m與145m之間進行周期性調節，這無疑將導致部分古滑體的復活和新滑體的產生，結果勢必會對未來三峽庫區范圍的城鎮建設、交通運輸、人民生命財產安全等造成一定的影響。
  7. Honghu lake has a little direct impact on groundwater, but the indirect impact of which is powerful. 3. the impact on confined water from changjiang river is depressive with the distance to the riverside increasing. the confined water level changes differently in different season and region while the water level of changjiang river changes each unit

    研究結果表明： 1 、地下水埋深較淺，月平均水位以年為周期變化，年平均水位變化較小； 2 、在近岸地區降水不是影響地下水的主要因素，洪湖對地下水的直接影響范圍較小，間接影響大； 3 、長江對承壓水的影響強度是隨著距離增加而遞減的，長江水位每變化一個單位，不同季節、地區的承壓水位的響應變化不同。
  8. Bangladesh is overcrowded and underserved by capital ; much of its arable land is periodically under water

    孟加拉人口稠密，資金匱乏；其很多可耕地周期性遭洪水淹沒。
  9. La nina is a cyclical global weather pattern that has been linked to weather disruptions ranging from hurricanes in the atlantic to flooding in africa and south asia last year

    拉尼娜現象是一種周期性的全球天氣現象，被認為與多種反常天氣有關，從大西洋的颶風，到非洲和南亞去年的洪水泛濫。
  10. 3 ) the integrated system can be applied in other reservoirs in arid area. it can develop the paces of arid district reservoir flood deployment system integration, improve the level of the reservoir management, and improve the maintainability, portability, expansibility of the system and shorten the software development period, reduce greatly the risk of the flood

    3 ）集成的系統能夠在乾旱區其它水庫推廣應用，加速乾旱區水庫洪水調度系統集成的步伐，提高水庫洪水預報調度水平，提高系統的可維護性、可移植性、可擴展性，縮短軟體開發周期，極大地減少洪水災害損失。
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