降雨期間 的英文怎麼說

中文拼音 [jiàngjiān]
降雨期間 英文
rainfall duties
  • : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
  • : 雨名詞(從雲層中降向地面的水) rain
  • : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • 降雨 : rainfall降雨持續時間 time of the duration of rainfall; 降雨歷時 rainfall duration; 降雨時數 rainf...
  • 期間 : time; period; course; duration; term
  1. When soil antecedent condition is dry and the initial rainfall intensity is high, peak surface runoff also considerably lag behind that of rainfall, because of the formation of temporary relative impermeable top layer ; b ) surface runoff is controlled primarily by infiltration - excess runoff mechanism under unsaturated condition ; the major fraction of surface runoff are dominated by saturated infiltration - excess runoff response, only a small fraction by return flow mechanism when soil is saturated ; c ) subsurface flow is dominated by saturated runoff mechanism, and the duration of subsurface post the rainfall end is dependent upon rather the soil properties than the rainfall characteristics ; d ) subsurface flow intensity in cultivated soil layer ( 0 ~ 20cm ) is high up to 35mm / h when rainfall intensity is up to 120mm / h, indicating the existing of macropores and pipe flow in cultivated layer

    2 )耕作制下紫色土的產流主要機制是: 1 )當前土壤含水量未達到飽和狀態時,表面產流起始時有明顯滯后現象,這與紫色土的快吸水性和較多非毛管孔隙密切相關;當前土壤較乾燥,強較大時,易形成臨時相對不透水表層,表面產流峰也有明顯滯后現象。 2 )表面徑流的產流方式主要是超滲產流,當土壤達到飽和狀態后,有四川大學博士學位論文小部分回歸流發生,但主要是飽和超滲產流發生,因為紫色土的相對不透水層和其它透水障礙層不明顯。 3 )壤中流主要是飽和產流,與過程有明顯的滯后,而且停后的壤中流產流歷時與特徵無關。
  2. By surveying the sample plot, the relations between the stabil ity of the mountai n slope of soil preparation for planting by using explosion and other factors s uch as precipitation, terrain , were studied. by using the method of quantitative t heory i, the interrelation between the damaged degrees of soil preparation progra ms by using explosion in low mountain area with abundant precipitation and terrain factors was systematically analysed, and the mathematical models relate d were developed. the results show that the precipitation in early days and the m aximum precipitation per day are the primary factors causing the soil prepara tion program damaged. the main terrain factors of the mountain slope that affect the program stability are according to their importance, slope, position and dir ection. the suitable mountain slope for soil preparation by using explosion is th e slope of less than 25

    通過典型標準樣地調查資料,探討了造林爆破整地工程的坡地穩定性與水、地形等因子的相互關系,應用數量化理論,對在有充分水條件下的低山丘陵區的爆破整地工程損失程度與地形因子之的關系進行了系統分析,並建立了相應的數學模型,研究指出,充分的前水和日最大量是引起爆破整地工程損失的激發因素;影響爆破整地工程穩定性的主要地形因子是地面坡度,其次為坡位、坡向,實施爆破整地工程的地面坡度以不超過25為宜。
  3. This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces

    本文針對長江三峽庫區特殊的地質環境與工程實際情況,在充分考慮水對庫岸滑體穩定性影響的前提下,提出了一個適用於長江三峽庫岸滑坡體穩定性分析的綜合分析評價體系,並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果: ( 1 )研究結果發現,水的活動是新滑坡形成或古滑坡復活的主要因素,一方面是由於地下水位升高低了滑坡體的有效應力,另一方面是由於地下水的長浸泡低滑體及滑帶的力學強度,這兩方面的因素均將直接低滑坡的穩定性; ( 2 )針對三峽庫區的特殊條件,系統分析了作用於三峽庫區滑坡體上的力系和庫水位在175m與145m變化時滑體條塊的受力變化,從而使對作用於滑坡體上的力系分析更科學、更全面; ( 3 )通過對滑體處于旱季(天然狀態) 、季(暴或長狀態) 、 175m庫水位、地震以及庫水位由175m調節下至145m等各種不同情況的有機組合,本文系統地歸納總結出了10種典型計算工況,並具體給出了相應的作用荷載的計算方法,使在庫區岸坡滑體穩定性分析評價時對計算工況選擇及其作用荷載的計算更具規范性; ( 4 )具體運用c + + builder開發了關于滑坡體穩定性綜合分析評價系統,使對滑坡體穩定性分析計算更方便、更準確; ( 5 )將上述滑坡體穩定性綜合分析評價系統應用於重慶市豐都縣名山滑坡穩定性分析的具體事例中,分析結果表明,本文所提出滑坡體穩定性綜合分析評價方法對三峽庫區的滑坡穩定性分析是實用可行的。
  4. Owing to the effect of landform, the precipitation in the second stage of rain season is decreasing from the line of jingnan - yongchun - fuding to the northwest and southeast, the spatial distribution characteristics of other three rainy seasons and all year precipitation are decreasing from northwest to southeast

    除后汛因受地形的影響,水量由南靖-永春-福鼎一線向西北和東南兩邊減少外,其它三個季和年總水量空分佈大體上是從西北向東南逐漸遞減。
  5. The precipitation frequencies is analysed according to 1956 ~ 2000 years of rainfall record series in baoding area. the features of distribution of rainfall are detailed evaluated. firstly, the distribution of monthly precipitation is not even. for instance. the annual rainfall amount is about 548mm in whole year, about 80 % of them in summer season. secondly, yearly variation of rainfall is greater. thirdly, the abundant years usually are followed by short years, but the important changes have taken place in the last decades. before 70 ' s the abundant years took the dominant position, from the 70 ' s to the middle of 80 ' s the short years took place more frequently than ever. after the later of 80 ' s, the short years hold the main position. the above knowledge is instructive for guiding the rainwater resources effective utilization

    本文利用1956 2000年保定市的長系列資料,對保定市水量進行了頻率分析、年內變化分析和多年變化分析,明確了保定市水量年內、年際的變化情況:保定市水量年內分配不均,汛( 6 - 9月)占年水量的81 。保定市水量年際變化大,豐水年和枯水年交替發生, 70年代以前以豐水年段為主; 70年代到80年代前水量豐枯交替頻繁,總的接近於枯水年段; 80年代後至今以枯水年段為主。這種水分佈規律對農業生產水資源的高效利用具有重要的指導意義。
  6. The weather of the abnormal most precipitation and the persistent rain all does n ' t correspond well in the two area of jiangsu, while the weather of the abnormal little precipitation is corresponding with the persistent sun. during 1st. - tth. october, the precipitation distribution of south of jiangsu is in phase with the middle - low reaches of the yangtze river and guangxi, while in north of jiangsu it is in phase with the drainage of huai river and the up - middle reaches of the yangtze river

    兩區異常多年份與連陰天氣對應關系都不是很好,但連晴天氣與異常少天氣有著較好的對應關系;十一蘇南地區水與我國長江中下游地區和廣西地區水呈同位相,而蘇北地區與長江以北上中游地區和江淮地區水呈同位相。
  7. Based on the analysis of suzhou ' s urbanization process and annual rainfall time series analysis of suzhou and wangting precipitation stations during 1953 ~ 2000, by comparing rural precipitation ( wangting precipitation station ) with urban precipitation ( suzhou precipitation station ) and comparing rainfalls at each station in different periods, the authors analyzed the effect of urbanization on distribution of annual rainfall, precipitation, rainfall frequency etc

    在分析了蘇州城市化發展進程的特點及1953 ~ 2000年序列特徵基礎上,採用同時城區(蘇州站)與郊區(望亭站)量橫向對比、城市化發展不同時同一站量縱向對比的方法,研究了城市化對該地區量、年內分配、發生次數等的影響。
  8. 2 ) there is three basic precipitation regions in middle and lower reaches of yangtze river. they have visible homologous relationship with the period of meiyu in the temporal variation, in the late 1980 ' s, the characteristic of precipitation in midd le and lower reaches of yangtze river begins to altering

    2 )長江中下游梅水主要存在三個基本地區,且在時變化上與梅的出現有著明顯對應關系, 80年代末,長江中下游梅水特點發生了改變。
  9. A durative heavy rainfall process occurred on the middle and lower reaches of yangtze river in lat junl999. lt was just during the period of the operation of hubex experiment which provided a great deal of intensive rainfall data and upper - air sounding data. so it is a good chance for us to do research on the mei - yu front and low

    1999年6月下旬在長江中下游出現了梅的持續性暴,並且正值hubex試驗,獲得了很多加密觀測水及探空資料,為我們提供了良好的研究梅鋒和低渦的機會。
  10. As the agricultural nfs is the most important factor for water environmental deterioration and lake eutrophication in china, more and more scientists and technologists focus on the control countermeasurc and pollution mechanism of agricultural non - point source ( nfs ). based on the investigation of natural resource and agricultural distribution, the loss rule of nitrogen and phosphorus in the typical land of qiandao lake watershed and distribution rule of the phytoplankton and physico - chemical characteristic in the lake were studied, and the input loading of nitrogen and phosphorus was also calculated by the annagnps model in this thesis. according to the routine monitoring data of the water environment in qiandao lake from 1989 to 2001, the concentrations of toxic substance and heavy metal were under the monitoring limit, but the total nitrogen ( tn ) and total phosphorus ( tp ) were much higher than the criterion for lake and reservoir

    本文調查了千島湖流域的自然資源和農業生產情況,研究了典型坡地徑流中的氮、磷污染物的輸出規律,利用annagnps模型估算流域農業非點源污染物輸入負荷,並在千島湖內設點采樣,對水質理化指標和浮游植物群落進行系統的研究,得出以下結論: 1989 2001年的水環境常規監測資料統計分析表明,有毒物質和重金屬濃度長在監測下限內, no _ 2 - n 、 no _ 3 - n 、 nh _ 3 - n年平均濃度均符合類標準,但湖泊水庫特定項目tn和tp濃度分別為超類和類,呈嚴重超標狀況,湖區主要污染因子是將導致富營養化的物質tn和tp 。
  11. By the daily, 5 - day, 10 - day, monthly and seasonal mean images from hourly gms - 5 infrared images, an analysis of cloud characters of severe storm rainfall during the flood of yangtze river in 1998 was made. the results show that the mean cloud images disclose the mean features of the severe storm systems

    利用gms衛星的逐時紅外雲圖做成了日候旬月和季平均雲圖,在此基礎上對1998年夏季長江中上游洪水的雲圖特徵進行了分析。結果表明,多日平均雲圖可以概括地揭示水系統的主要特徵。
  12. The gps data from gps networks in yangtze delta is explored to investigate the improvement of mm5 simulation on rainfall event occurred over meiyu period in 2002 with the aid of initial humidity fields reanalysis and assimulation

    利用建立在長江三角洲地區gps觀測網中gps資料,針對2002年梅影響長江三角洲地區的水過程進行了gps資料在mm5中尺度數值預報模式中的應用研究。
  13. Using the daily rainfall data of 740 stations over china and ncep daily up - ai data from 1971 to 2000, we analyzed the average mei - yu climate field. based on the climate field and mei - yu intensity index, we confirm that the year of 1999 is a typical mei - yu. besides, the intensity of mei - yu rainfall in 1999 is the highest since we had record, so the analysis of mei - yu in 1999 can present the common characteristics of mei - yu

    本文利用1971 - 2000年中國740站的日平均水資料和ncep的日平均高空資料分析了梅氣候場,利用梅的氣候場及中國氣象局氣候診斷預測室的梅強度綜合指數,確定了1999年是一個非常典型的梅年,並且1999年梅水強度是歷史以來的最高值,因此我們對1999年梅進行的分析有很大的代表性。
  14. The main features in the study of flood forecasting and control system are as follows : ( 1 ) runoff generating and confluence theory and hydro - dynamic method are adopted to predict the water level of taihu lake and key nodes, the basin wide forecasting and control system with the function of real time correction has been first established in plain river network to meet the complicated flow conditions of taihu lake basin and to enhance the reliability of forecasting results ; ( 2 ) according to the rainfall in foreseen period multiple schemes can be made in the forecasting model and adjusted with time, which overcomes the errors caused by the uncertain rainfall in the foreseen period so as to make the forecasting results approach reality

    本文所研究的預報調度系統有如下特點: ( 1 )本系統採用產匯流理論和水動力學方法預報太湖及重要節點水位,首次在平原河網地區建立了具有實時校正功能的全流域預報調度系統。以適合太湖流域復雜的水力條件,增強預報的可靠性; ( 2 )預報模型可以根據預見量進行多方案預報,並隨時推移,可以實時進行調整,克服由於預見不確定引起的誤差,使預報結果更接近實際。
  15. On the development process, the rills were influenced by rainfall runoff on slope, but the sockets were the result of the long - term repetitious action of rainfall and runoff and subsurface flow

    在發展過程上,前者受徑流侵蝕作用時集中;後者是在長多次形成地面徑流和壤中流侵蝕的共同作用下,逐漸發展起來。
  16. But we ' ll see a 50 percent chance of rain wednesday evening, as more clouds move in from the south

    但因有雲層從南邊移過來,故星三晚會有百分之五十的機率。
  17. Before the festival began, the weather forecast predicted a high chance of showers on the two days during which it was scheduled, potentially ruining it

    活動開始前,氣象預報兩天的活動機率很高,而下將會使這個戶外活動無法順利舉行。
  18. The results showed : there were close relationships of rainfall intensity during once precipitation, soil moisture content between two adjacent rainfall, plant coverage, grade of slope and the amount of soil erosion

    研究表明該區次強、土壤含水量、植被覆蓋度、坡面坡度和土壤侵蝕量之存在著密切的相關關系。
  19. 2 ) the analyse of the structure of mei - yu low and the elationship between the low and rainfall three lows moved along the mei - yu front towards the northeast during mei - yu period in 1999, which produced three intensive rainfall periods along the yangtze river : ill the station of huangshan, the most heavy rainfall center, totally had 850mm rain during 11 days. the reason for the heavy rainfall was the sustaining moisture supply from the south, and the deep moist layer and the high relative humidity in the south - east quadrant

    2 )梅鋒低渦的結構及其與水關系分析1999年在梅鋒上有三個梅鋒低渦相繼在其上產生,冰箱東北方向移動,分別對應著長江中下游的三次強水過程:最大水中心黃山11天累計水量達到850mm ,為梅平均水量的150以上。低渦之所以產生這么大的水和水強度是因為低渦在移動過程中不斷有水汽輸入和補充,在其東南象限對流層中低層維持了深厚的濕層和很高的相對濕度。
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