等風速線 的英文怎麼說

中文拼音 [děngfēngxiàn]
等風速線 英文
isanemone
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 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...
  • 風速 : [氣象學] wind [air] speed; wind [air] velocity
  1. Sales : imported and domestic natural rubber, butylbenzene rubber, polybutadience rubber, butyronitrile rubber, epdm rubber, butyl rubber, chlorosulfonated polyethylene tyre types superfine, smell - free, butyl, butyronitrile, color and milk natural rubbers, compound rubbers and reclaimed rubbers ; raw and auxiliary materials for rubber chemical such as rubber accelerator, antiager, black, paraffin, octadecoic acid, zinc oxide, magnesium oxide, titanium pigment, coumarone and powder sulfur ; different specifications of epdm color granules, crossover antiskid rubber floor brick, plastic rubber sites, lawn layout, different specifications of antiskid rubber floor brick, rubber blind - people road brick, plant brick, tree guard brick, top adiabatic brick, road rubber reducer brick, special green rubber tyre rubber granule, rubber powder and product, different rubber and plastic pipe, adhesive tape and plate, flexible rubber soft joint, rubber stop tape, bridge extension device, natural rubber plate pedestal, water - expanding rubber, rubber and plastic air duct, pe / pp / pvc water pipe, fulgurite, flame retardant wire gutter, floor wire gutter, mc nylon product, rubber and plastic machinery and fitting relieve, and processing of different ordinary and special rubber and plastic and nylon products

    經營銷售:進口、國產天然膠、丁苯膠、順丁膠、丁腈膠、三元乙丙膠、丁基膠、氯璜化聚乙烯、輪胎類精細、無味、丁基、丁腈、彩色、乳膠類多種型號天然橡膠、合成橡膠和再生橡膠;硫化促進劑、防老劑、炭黑、石蠟、硬脂酸、氧化鋅、氧化鎂、鈦白粉、古馬龍、工業硫磺粉各種橡膠化工原輔材料;各種規格epdm彩色顆粒,天橋防滑橡膠地磚、塑膠場地、人造草坪鋪裝、各種規格防滑橡膠安全地磚、橡膠盲道磚、植草磚、樹木圍護磚、屋頂隔熱板、道路橡膠減塊,專用綠色環保型橡膠輪胎膠粒、膠粉及成品,各類橡膠、塑料膠管、膠帶、膠板,可撓曲橡膠軟接頭,橡膠止水帶,橋梁伸縮裝置,天然膠板式橡膠支座,遇水膨脹橡膠,橡膠、塑料導筒, pe pp pvc水管、電管、阻燃槽,地板槽、 mc尼龍產品、橡塑機械及配件調劑,並承接各種普通、特種橡塑、尼龍產品加工製造。
  2. Conventional nomograms representing parametric relationships among wave height, wind, fetch and duration are used in operational forecasting of sea state

    在業務運作上應用傳統列圖里的海浪高度區及力的持續時間參數之間的相互關系來預測海面情況。
  3. Under the assumption of linear ocean waves, and in the light of the theoretical framework about the probabilistic distribution of wave characteristics ( sun fu 1988 ), several probabilistic distributions of wave characteristics that is necessary for the estimation of breaking probability and whitecap coverage are derived. afterwards, the models of breaking probability and whitecap coverage are set up with these distributions in addition to the kinematical criterion

    性海浪假設下,基於孫孚( 1988 )關於三維海浪要素統計分佈的理論框架,具體給出二維海浪波峰處質點水平度和表觀相的聯合分佈分佈函數,在此基礎上,根據運動學判據,分別建立起浪破碎率和白浪覆蓋率的理論模式。
  4. The company offers the following key products to complete whole set machinery and equipment for cardboard box production : high - speed fully automatic printing and slotting machine ; one color, double - color, three - color and four - color water - based printing machine ; automatic ( air suction type ) and half - automatic ( chain type ) rotary slotting and corner cutting machine, four - connection slotting and corner cutting machine, four - axis paper separating and line pressing machine, thin knife paper separating and line pressing machine, carton stapler, carton binding machine and die cutting machine

    公司產品主要有:高全自動印刷開槽機;單色、雙色、三色、四色水性印刷機;自動(吸式)和半自動(鏈條式)輪轉開槽切角機、四聯開槽節角機、四軸分紙壓機、薄刀分紙壓機、釘箱機、粘箱機以及模切機全套紙箱機械設備。
  5. Most complete wireless weather coverage available : high and low day temperature in celsius or fahrenheit, weather type icon and text, real feel ( rf ) temperature ( what temperature really feels like ), wind direction, gust and speed in mph, km / h or m / s, uv index ( the sun ' s ultraviolet intensity level ), amount of day precipitations in in, cm or mm, pressure, visibility and more

    最完整的無天氣覆蓋可以利用:攝氏和華氏的溫度高低,天氣類型圖標和描述,實際感覺到的溫度(真正你感覺到的溫度) ,向,力和,時或秒,紫外指數(太陽紫外強度級) ,降雨雪量精確到英寸,厘米,毫米,壓力可見的描述,還要其他的嗎
  6. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對機性能曲的影響,並在此基礎上採用無節流方法測量流量,以機調節性能曲為依據,建立了基於徑向基函數( rbf )神經網路的機流量全程監測模型;以實驗室4 - 73no . 8d離心機為研究對象,探討了rbf神經網路差壓模型在變轉、變導流器開度和變管網阻力工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了機性能在監測系統。
  7. Cartographic symbols, legend, scale - bar and other visual elements are used to design map. the map user will accurately translate the geographic information from the map, if appropriate symbols and other visual elements are selected to design map

    地圖整飾需要點、、面符號和圖例、比例尺、指北針可視化要素,良好的可視化要素格能使地圖使用者迅、準確的判讀地理信息。
  8. Reference crop evapotranspiration ( rce ) characterized by its nonlinearity and multi - time scale feature, may vary with the change of time under the influence of stochastic variation of meteorological factors such as temperature, sunlight, wind speed, vapor pressure and so on

    摘要受氣溫、日照、、水汽壓因子隨機變化的影響,參考作物騰發量時序過程具有非性、多時間尺度變化特性。
  9. Numerical models are frequently used to simulate water flow in hydraulic engineering. shallow water equations are basic governing equations with assumption of the velocity distribution uniformly in vertical, so they have some limitations on the simulation of some plane flows, such as wind - induced flow, curve river flow and flow nearby the submerged dikes. for above - mentioned reasons, extended shallow water equations are developed by introduction of momentum coefficient, correction of convection and bed resistance in equations of motion

    在水利工程中經常需要採用數學模型模擬水流的流態,淺水方程是進行平面流態模擬計算的基本控制方程,但因其忽略了流分佈的不均勻性,在模擬某些平面流態(如生流動、河灣水流、潛壩工程附近的流動)時存在一定的局限性。
  10. The main relative systems of heavy - hard rainfall in northeast plateau are western pacific subtropical high, south asia high, low latitude systems, upper level jet ( ulj ), low level greater wind speed axes, westerly trough and plateau trough, low level vortex, cold frontal, occluded front in qinghai lake, mesoscale low pressure, heat low - pressure in qinghai, shear line and convergence line, mesoscale cloud cluster, etc. the west subsidiary model of south asia high is the main circulation type of heavy - hard rainfall in this area

    3 、西太平洋副高、南亞高壓、低緯系統、高空急流、低空大軸;西槽和高原槽、低渦、冷鋒、青海湖錮囚鋒以及中尺度低壓、青海熱低壓、切變與輻合、中尺度雲團系統是高原東北部地區大到暴雨的主要相關系統。 100hpa上的南亞高壓中心強度加強,位置東西擺動預示高原地區將有降水產生,中心強度減弱,降水過程結束。南亞高壓西部副型是高原東北部地區大到暴雨的主要流型。
  11. Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters

    本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的特點,通過深入分析目前隧道支護結構設計中存在的各種問題,抓住高級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的穩定性與承載能力兩個核心問題,引入結構優化理論中的簡易復合形優化方法,深入探討了滿足建築限界、通條件、受力狀態約束條件下公路隧道襯砌斷面優化設計模型,提出了三種襯砌斷面形狀(單心圓、坦三心圓和尖三心圓)的優化選型方法,建立起一套完善的高級公路長大隧道的系統優化設計理論與方法,並開發出相應的計算機程序,用於擬建的上海至瑞麗國道主幹湖南省邵陽至懷化高公路雪峰山長大高公路隧道的結構斷面優化選型,得出了一系列較為合理的支護結構設計參數。
  12. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了機運行特性及其最佳能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬力機的最大輸出功率曲的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、無功功率獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大能捕獲變恆頻力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋力發電機實驗系統,進行了空載、並網、同步及上、下的發電運行一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  13. This can fully consider the effect of the structure of transmission line and the selection of lighting parameter etc. by calculating and analyzing various of factor that affect the lightning tripping probability of 500kv double circuit transmission line, we can draw the conclusions : the result by intersecting method is more accord with the practicality circumstance than by existing standard methods, using unbalance high insulation and reverse sequence of wire can reduce the contemporary outage rate of double circuit line, reducing the footing resistance is one of the most efficiency method to reduce the back stroking rate of double circuit transmission line, the double back stroking rate and the single back stroking rate will fall by three ground wire, when the footing resistance is 10 ohm, the back stroking rate by three ground wire is 83 percent of by two ground wire

    在分析輸電路繞擊耐雷性能時,對路的雷電屏蔽問題進行了分析,提出對擊距法進行改進,充分考慮了的影響因素,編寫了具有工程實用價值的計算路繞擊耐雷水平的程序,此方法可以充分考慮路結構和雷電參數對繞擊率的影響。通過對影響500kv同桿雙回路雷擊跳閘率的各種因素進行了計算和分析,得到以下結論:採用相交法的計算結果比定義法更符合實際運行情況。採用不平衡高絕緣方式和導逆相序排列可以大大降低雙回同時跳閘率。
  14. The motion system synchronizes with the computer generated image to simulate the realistic feeling of accelerationdeceleration speed, vibration in motion and wind pressure on getting by train coming from the opposite direction etc. with the feature of the motion system, the new cab simulator will provide a more realistic environment and feeling to the driver trainee during the cab simulator training

    新列車模擬駕駛室除了有較為流的外型,同時是全港第一架設有三度空間動感系統裝置的模擬駕駛室。動感系統與電腦影像一致配合,能模仿列車在加,震動及遇到高情況,令司機在模擬駕駛室內受訓時能感受到一個較真實的駕駛環境。
  15. In the first chapter, we narrate the characteristic of convertible bond, give some clues about development and actuality of the market and its pricing theory ; in the second chapter, we introduce modeling idea and some material problems in the model in detail, draw the yield curve which is very important to the model by spline method ; in the third chapter, we first explain the basic idea and convergent speed of monte carlo method, then, give the mathematical description for financial market, prove equivalence of non - arbitrage market, existence of risk neutral probability measure in the market and the price process of underlying asset is a martingale ; in the forth section, we introduce how to simulate stock price path by monte carlo method in detail, based on foregoing result, we prove the path is a martingale, thereby, the model is logical

    本文第一章先對可轉債的特點、市場發展和現狀及其定價理論的發展和現狀作一概述;第二章詳細介紹了建模思想和模型中的一些具體問題,利用spline方法繪出了在模型中具有重要作用的收益曲;第三章首先敘述了montecarlo方法的基本思想和有關其收斂度的一些性質,然後從數學的角度給出了對金融市場的描述,證明了市場無套利、市場存在險中性概率測度及標的資產價格過程為鞅的價性;在第四節中,對用montecarlo方法模擬的帶跳股價路徑作了詳細介紹,並利用前兩節的結論證明了模擬的帶跳股價路徑為一個鞅過程,從而保證了模型在理論上的合理性。
  16. Abstract : this article lists some notices of the measurement points and their importance in cleanrooms, content focus on : indoor temperature measurement, humidity survey, exhaust air flow measurement, production line velocity measurement, inside and outside pure room differential pressure survey and the related test equipment for those measurement mentioned above

    本文主要介紹了潔凈室里需要注意的幾個測量點和它重要性,內容包括:室內的溫度測量、濕度測量、送量和排量的測量、成品生產上的微測量、潔凈室內外壓差測量,以及與之配套的測試儀器選擇方法。
  17. To deal with the echo information from doppler weather radar, in this paper we recommend the processing of some radar products ( cr, vcs, cappi, vil, wer, vwp ), according to the research of nim on weather radar, referred to other advanced algorithm of radar products from home and abroad and combined with the requirement of application in our country. these products are produced on the platform of windows 98 or windows 2000 by the use of visual c + +

    為了對多普勒天氣雷達的回波信息(包括強度、徑向度和度譜寬)進行加工、計算和處理,本文根據南京氣象學院在天氣雷達方面的長期研究積累,同時借鑒其他國內外先進的天氣雷達產品的演算法,結合我國氣象業務應用的要求,對多普勒天氣雷達的氣象產品(組合反射率因子、任意垂直剖面、高平面位置顯示、垂直累積含水量、弱回波區顯示、 vad垂直)進行工程化設計。
  18. The system uses the arrowhead to express the speed vector of wind field and uses the contour line and color cloud to express the height of wave field

    矢量場採用方向箭頭實現可視化,並且可同步顯示氣壓場信息,海浪場可視化採用、彩色雲圖、文本數值輸出,也可實現場同步。
  19. Based on the linear filter technology of random process, artificial wind speed processes are generated with the autogressive - type simulation method, which consider time and spatial correlativity. then the time history record of fluctuating wind pressures are obtained considering the velocities coupling and the added air mass

    採用性濾波器法中的自回歸模型及參數識別技術模擬了多維脈動時程,轉化為荷載時考慮與結構的度禍合、空氣附加質量因素。
  20. In wind - vehicle - bridge system vibration analysis, the effects of wind field model, wind speed, train speed, relative location of vehicle and nonlinear factors on the system vibration are analyzed by various case comparisons

    採用bansys軟體對?車?橋系統的振動特性以及場模型、、車、車輛位置及非因素的影響進行了多工況的對比分析。
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