排水量長度 的英文怎麼說

中文拼音 [bèishuǐliángzhǎngdù]
排水量長度 英文
displacement length
  • 排 : 排構詞成分。
  • 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...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 排水量 : displacement; withdrawal; tonnage; water discharge; water displacement
  • 排水 : drain off water; drain away water; dewatering
  • 長度 : length; longitude; size; extent; footage
  1. But now it ' s urgent to adopt new methods for calculating the head loss of regional drainage due to some factors such as long length, large flow quantity and probable strong topographic change

    由於存在管線長、流量大以及區域地形變化幅度可能較大等因素，建設區域排水系統需要採用新的方法較為準確地計算水頭損失。
  2. Gully erosion, which is universal on original lands, but also the special forms, for example, hole erosion gravel erosion debris slide and debris flow, which is unusual in loess area, ( 2 ) based on a long - term fixed point experiments in proving ground of the south stackpile, the soil erosion factors have been researched quantitatively, the runoff and erosion affected factors have been made sure and the experiential models of producing water and soil have been taken in newly - constructed stage, early stage and later stage of reclamation

    確定南排土場原地貌的水蝕模數為3700 4400t km ~ 2 ? a ；在排土場新造地貌上，擊濺、面蝕、細溝侵蝕、淺溝侵蝕、沉陷侵蝕、砂礫化面蝕、土砂瀉溜和坡面泥石流等水土流失形式出現頻率和發生程度都明顯強于原地貌。 （ 2 ）以南排土場徑流試驗場長期的定位觀測為基礎，對排土場未復墾時期、復墾初期、復墾後期的土壤水蝕影響因子進行定量研究，確定了徑流和土壤水蝕的主要影響因子及其臨界值，建立了產流產沙的經驗模型。
  3. It is verified by the observed data of xianing port area in changsha city that the model is of high accuracy, with the greatest relative error of the peak flow of only 7. 85 %, thus can be used in runoff simulation of harbor rainfall drainage system

    經長沙市霞凝港區的實測資料檢驗，證明該模型在港區小流域的雨洪分析中有較高的精度，洪峰流量最大相對誤差僅為7 . 85 % ，可用於港區雨水排水的徑流模擬。
  4. A kind of drainage material consisting of a white polypropylene channel - shaped core surrounded by a gray long - fiber hot - bonded non - woven filter fabric, with metal conductor inside for measuring the driven depth

    灰色長纖維熱粘無紡布濾膜包裹（通過粘合）白色聚丙烯槽型芯板組成的排水材料，內裝配金屬電子導線用於測量打設深度。
  5. ( 2 ) from the viewpoint of growth, it has powerful branching ability. it is suitable to be transplanted in warm seasons such as spring and autumn, or in small rainfull period, and generally it is optimal in october and april. it is also suitable in topography and soil with good discharge capacity, and soil humidity should remain from 15 % to 70 %

    （ 2 ）在生長發育上，迷迭香具有較大的分枝能力，適宜選擇春季和秋季溫暖、雨量不多的時期扦插，一般在10月和4月最佳，要求排水良好的地勢和土壤，土壤濕度應保持在15 - 70之間。
  6. Optimal periodic control with the lowest operational cost by limiting total substrate discharge mass was studied. through adding new state variable and using supplement functions, the problem with restriction conditions was converted into nonrestriction problem. in addition, the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method, consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better. it was found that the operational costs of optimal control under various initial states are distinctly different. a new concept of optimal control under optimal initial state was presented. it is pointed out emphatically that to the treatment system without optimal control condition, the suboptimal control with extensive practical value can be realized according to the results of optima control

    著重研究了在限制有機物排放總量時，使其運行費用最低的最優周期控制問題.通過增加新的狀態變量和用補償函數法，將本課題的有約束條件問題化為無約束條件問題，並提出了最優步長參數的動態搜索法來修改傳統的梯度法，從而較完善地解決了多變量最優周期控制的計算問題.研究中還發現了不同初始條件下最優控制所需要的運行費用也大不相同，進而提出了最優初始狀態下最優周期控制的新概念，這對保證出水質量的同時進一步降低污水處理成本來說具有更重要的意義.本文還強調指出：對于尚不具備實現最優控制條件的處理系統，可根據最優控制的研究結果實現具有廣泛實用價值的準最優控制
  7. This simulation model can offer a number of system operating indexes, including capacity utilizing rate, passenger average queue length and waiting time, and help to analyse the collocation of quantity of metro eng, the capacity utilizing, the service level and the overall cost of the metro eng system

    利用該模擬系統可以得出配置不同數量進站檢票機時的能力利用率、乘客平均排隊長度和平均等待時間等系統運行指標，進而分析進站檢票機系統的能力利用、服務水準和成本狀況。
  8. By stirring water with the impeller, splash water to the air evenly and widely, strengthen the pond water ' s flowing circulation, make pond water dissolve into oxygen and death of fish, shrimp and eel, raise the breeding density, quicken the growth so to achieve high and stable yields

    通過葉輪攪水，把水均勻而彌散地潑向空間，加強池水流動循環，使池水溶入氧而稀釋和排出有害物質，增加水中的溶氧量，改善水質，防止魚蝦鰻浮頭死亡，提高養殖密度，加速生長，從而達到高產穩產。
  9. In making use of the drainage as resources, there are several advantages : 1 ) there already exist a certain number of drainage networks which are not very difficult to extend and remold : 2 ) deserts can be used as object for drainage utilization ; 3 ) the drainage is still barely suitable for irrigation of salt - tolerant plants

    在塔里木河幹流，農田排水資源化利用有如下幾個有利條件： （ 1 ）農田排水有一定數量且渠網的延伸和改造難度不大； （ 2 ）荒漠可作為農田排水資源化利用的場所； （ 3 ）農田排水仍可勉強適于耐鹽植物生長。
  10. With the rapidly development of minefield and the rapidly increase of coal output, the excavation scope and depth will extremely rise, the excavation work is under the overlying by the thin rock strata, and under the thick loose bed, the population in mine field will be more and more, the relevant basic industries will also develop rapidly. the mines will discharge more water from the underground, and the production and living will also consume more water. so the original water resource balance system in the minefield will be broken, the ecological environment formed by the nature will be destroyed in some degree

    隨著礦區迅速發展而煤炭產量的快速增長，既定在薄基巖厚鬆散層下的神東煤田開采范圍和深度勢必急劇增大，相應的人口也增加，與其相匹配的其它基礎工業一併迅猛發展，導致礦井外排水和生產生活用水直線猛增，這一系列生產和生活巨量用水必然會打破礦區原始的水資源平衡體系，不同程度的破壞自然形成的脆弱的生態環境。
  11. The abundance of flowering plants and ferns is increased exponentially along it, and that of conifers change a little under low heat and water conditions, while the abundance of conifers increased exponentially along the axis under high heat and water conditions. dcca and cca showed the similar results as that of dca

    被子植物與蕨類植物豐富度在dca第一軸上具有一致的排序特徵，即呈現對數增長模型，而裸子植物豐富度的變化隨水熱條件的增加而改變的很小，但到高熱量、高水分條件下，豐富度迅速的增加，呈冪指數增長趨勢。
  12. The job of agricultural drainage is to accelerate removing of the excessive water and salt in soil, control the underground water table at favourable depth, so that it can assure crops growing well and avoid salinization

    農田排降任務是加速排除土壤中過量的水分及鹽分，控制地下水位在適宜的深度，保證作物的正常生長及防止土壤返鹽。
  13. Temperature process lines with tidal cycles of multi engineering conditions of characteristic sections are obtained, the relationship between temperature distribution and velocity field is established, the inner mechanism change of temperature process lines is investigated, the interrelation between water intake and outlet is analyzed, the relation between the ratio of dimensionless temperature rise span of the plant intake and the ratio of river discharge volume and plant cooling water intake volume is obtained

    得到了特徵斷面多種工況隨潮周期變化的溫度過程線，建立了溫度場與流速場的相關關系，研究了溫度過程線的變化機理，分析了取排水口對溫度場的相互影響關系，探討了無量綱溫升時長比與無量綱來取流量比的相關關系。
  14. Heavy metals and organic contaminants are very persistent in marine sediment. sediments in victoria harbour have an elevated organic content and are highly anoxic with low electrochemical potential due to sewage, as well as being contaminated with heavy metals

    海洋沉積物內的重金屬及有機污染物一般均難以降解而維持較久，長期以來污水排放使維多利亞港海床沉積物的有機物含量偏高，因而導致沉積物高度缺氧和電化學勢下降，重金屬污染也較嚴重。
  15. Imitating the shape of a piano, this sculpture is composed of two main parts the bamboo tubes and a stainless steel sheet. varying in length, the bamboo tubes collect various amount of rainwater and turn at the pivot at different time intervals. when the water comes out of the tube, it rotates back to its original position and hits the stainless steel sheet with a pounding sound

    它外形彷似一臺鋼琴，由一組竹筒及一片不銹鋼片組成，每根竹筒長度不一，儲水量不同，因此會于不同時間依中軸轉動，當水被排出后，竹筒立即反彈至原本位置，敲擊鋼片，發出清脆而莊嚴的聲響。
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