換道區 的英文怎麼說

中文拼音 [huàndào]
換道區 英文
crossing line
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • : 區名詞(姓氏) a surname
  1. Secondly, in the feature extraction stage, haar 2 - d wavelet transform is used in each band of the normalized image. the mean values and variances of the coefficients of 7 main wavelet channels are extracted as features

    該演算法通過對歸一化處理后虹膜圖像的各個小分割域進行二維小波變,提取出主要小波通的小波系數均值和方差作為特徵值。
  2. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在理論和應用方面的新成果,探索在水力計算方面的新途徑以促進lb方法實用化的發展,本文進行了下列研究工作:綜述了lb方法在理論研究和實際應用方面的新進展,以及d2q9模型的推導過程和其他一些常用的模型;在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法,它綜合了上述兩種邊界條件的優點,在流場的各種邊界處理中取得了非常好的效果,經過模塊化的處理以後這種邊界條件具有更好的實用性;針對均勻網格的lb方法計算效率較低的不足,提出了雙重網格的latticeboltzmann方法,通過二維poiseulle流動、后臺階流動和渠方槽流動三個算例的模擬,證明這種方法能夠明顯地提高流場模擬的計算效率;此外,根據復雜域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法,利用lb方法的計算特性實現塊與塊之間的數據交,充分利用計算資源提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管流場的模擬,展示了這種演算法的特徵和優點,以及它所具有的應用前景。
  3. The term " customs surveillance zone " means exports, railway and highway station, airports, border passes and international postal matter exchanges for which a customs office is provided, other places where customs control is conducted and places without a customs office but have been approved by the state council as a point of entry or exit

    「海關監管」 ,是指設立海關的港口、車站、機場、國界孔、國際郵件互局(交站)和其他有海關監管業務的場所,以及雖未設立海關,但是經國務院批準的進出境地點。
  4. The temperature distribution on the high temperature side of an electric tunnel furnace is analysed and simulated on the basis of the principle of thermal radiation by the way of thb ( thermal heat balance ). the heated silicon carbon sticks are decomposed into innumerable tiny heating faces, which exchange the heat with the heated materials. a numerical model based on the radiation intensity law is constructed to calculate the energy absorbed by the heated materials and simulated by a computer. the results showed that the even distribution of temperature can be obtained by optimizing the arrangement of the silicon carbon sticks according to the calculation results to make the structure design more reasonable. these calculation results have been used in the practical designs and the expected objectives achieved

    利用熱輻射原理,採用熱平衡法對電熱隧窯的高溫恆溫溫場進行了分析和模擬.計算中將發熱棒分解為無數微元發熱面與燒結體進行熱交,依據輻射強度定律,建立了燒結體接收能量的數學模型,並用計算機進行了模擬計算.結果表明,依據模擬結果來優化硅碳棒的排布,可使結構設計更加合理,進而可以獲得分佈均勻的恆溫溫場.計算結果已在窯爐設計中應用,實踐效果良好
  5. The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced. the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : for a single row normal impingement, the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio, and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall, the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling, the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing

    對于單排垂直射流,沖擊冷卻效果隨射流雷諾數的增加、孔間距與直徑比的減小而得到提高,沖擊間距比為2時熱效果最好;沖擊孔中心線向通封閉一側傾斜后,射流沖擊冷卻的范圍變窄,當沖擊間距比大於2時駐點的對流熱能力明顯降低;對于雙排沖擊射流,孔排間距與直徑比的增加使沖擊冷卻范圍變大,但在兩排孔之間域的對流熱系數有所下降;在較小的沖擊射流雷諾數和較大的沖擊間距比下,後排射流的沖擊熱效果要遜於前排射流。
  6. At present, the most of vtr which are used in watch - control occasion for speciality are short of a uniform control - check - alarm system, which brings on the discommodiousness of operation and the user can not know the time of occurring a fault, which reduces the reliability of the watch - control system. therefor, at first, i carefully analyze the servo theory of the vtr which had been produced by chmavc with k mechanism to find out the work rule of the control signal ; second, take out some right control signal ; then for dealing with the problem of vtr in use for watch - control, i choose some right components to design the uniform control system for many special vtr with protel software. it mainly includes the following functions : operation functions of all vtr ( for example : power, play, ff, rew, stop, rec, eject, fwd, rwd, sp, lp ) was controlled by line at the same time ; in, the process of recording, when the tape walks to the end or stops by itself, the system gives an alarm and shows the number of the wrong vtr ; in the process of recording, the system gives an alarm and shows the number of the wrong vtr when the video signal from vidicon is losed ; the system controls all vtr to record on the non - working time when there is something wrong in the guarding section ; the system controls the video from vtr to switch to right monitor

    目前,用在監控場合的業務用錄像機普遍缺乏一個統一的控制及檢測報警系統,這就導致了操作的不方便和出現了故障用戶不知,降低了監控系統的可靠性,為此,我首先對華錄松下生產的k機芯的錄像機伺服原理進行仔細分析,找出各個伺服控制信號的控制變化規律;然後從中選出合適的控制信號;針對目前錄像機在實際監控使用過程中存在的問題,選用合適的元器件;運用protel繪圖軟體,設計了這個多臺業務用錄像機的統一控制系統,她主要包括以下功能:錄像機操作功能(如power play ff rew stop rec eject及正尋反尋帶速設定等)的統一線控控制功能;磁帶在記錄過程中,磁帶到頭和磁帶自己「偷停」的報警,並要能顯示出具體是哪一臺錄像機;在記錄狀態下,攝像頭輸入信號丟失報警,並要能顯示出具體是哪一臺錄像機;在休息或其他不需要記錄時,一旦警戒有情況,則控制所有機器自動進入錄像狀態的功能;從錄像機輸出的監控圖像信號對監視器的切功能。
  7. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論分析和試驗研究相結合的方法,研究了目前應用較多的綜合性大廈? ?框支分剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法,主要內容為以下幾方面:對一擬建的復雜高層建築結構,採用1 20比例的空間整體模型,進行了26種工況下的模擬地震振動臺試驗,觀察了結構的破壞過程和地震反應,分析了結構及構件的抗震性能;建立了結構的精細空間模型,利用sap2000n大型有限元分析程序對結構進行了彈性時程分析;通過有限元分析與試驗結果的對比,對結構的抗震性能和抗震能力做出綜合評價,認為該結構由於轉層上部去掉部分樓板,既可滿足建築設計的通風、採光等要求,又可達到協調結構轉層上、下樓層抗側剛度的效果,是一種較理想的有多抗震防線的結構型式。
  8. However, the cloned promoter had 18 substitution at 18 sites, 22 deletions at 18 sites and 3 insertion at 3 sites between sites 0 - - - 1273 bp which was reported to control temporal - spatial specific expression, and 3 substitution at 3 sites, 6 deletions at 6 sites between - 1095 bp and - 1273 bp, the key functional sequence area, in comparing with known osg6b

    但是與報的osg6b比較,在決定時空特異性的0 - 1273bp功能域內,有18處出現18堿基替, 18處出現22堿基缺失, 3處出現3堿基插入;在核心功能序列域( - 1095bp - 1273bp )內,有3處出現3堿基替, 6處出現6堿基缺失。
  9. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通、帶順排擾流片矩形直通、帶叉排擾流片、帶傾斜擾流片的矩形直通的幾何模型,計算了冷卻空氣通過這幾種通時的流動與熱情況,得到了各種不同情況下計算域的溫度場、壓力場、速度場;在此基礎上分析了不同的通高度、不同的葉片通材質對葉片內部通冷卻的影響,並整理得到了各種通形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通冷卻強化傳熱措施?帶擾流片的內部冷卻通的強化傳熱效果,通過與光滑矩形直通、帶針肋通的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通冷卻結構的設計可以起到指導的作用。
  10. The thesis analyzed the present transferring status between pudong airport and shanghai " s incity. through forecasting the long - dated flux of pudong airport and the area near it and combining the planning scheme of shanghai urban rapid mass transit, the thesis learned the helpful experience of the traffic organization in typical airport abroad and used the scientific analyzing model of public traffic flux forecasting to put forward some reasonable suggestion of the bottleneck question between pudong airport and incity : the one is to use the present no. 2 subway as the future airtrain to take on the most part of the flux and meantime present the concept of feeder efficiency to quantitative analyze the choice of feeder station ; the other is to set up cat ( city air terminal ) to convenient the passenger to come airport rapidly and economically in order to lessen the pressure of the traffic and improve the whole service quantity of civil aviation transportation

    本文分析了浦東機場與市內目前的乘現狀,從預測浦東機場及緊鄰空港域中遠期的客流量入手,結合上海市政府快速軌交通的規劃方案,並且學習境外典型機場交通組織的有益經驗,利用規劃中的公交客流預測等科學分析模型,對浦東機場與市中心的軌交通銜接提出了合理的建議:一是利用目前的地鐵二號線作為航空軌共享線來承擔大部分進出空港的客流,並且給出了以接運效率最大化為目標函數的接運公交軌站點比選模型;二是在市中心設立城市航站樓以方便旅客快速、經濟地到達機場,從而減少路交通壓力,提高航空運輸的整體服務質量。
  11. Based on the engineering experience in guangzhou metro line 1 and line 2, the schemes of mobile communication system switches in various conditions are discussed, including switching between plots in the tunnels, between upper floor and lower floor in the interchange station, between inside and outside of the interchange stations and between tunnels and floor

    摘要結合廣州地鐵1 、 2號線工程經驗,對地鐵移動通信系統的各種條件下的切方案設計進行探討,包括隧間小乘站的上下層切、站內和站外切、隧和地面切等。
  12. Regarded regional unconformity, transformation basement of tectonic regime, incised water channels, discontinuous surface of sidementary facies and exposed surface of lowstand as boundary of sequence, the palaeozoic in the researched area can be divided into three supersequence and fourteen sequence

    域不整合面、構造體制轉面、水下切谷、沉積相突變面及低水位期暴露面作為層序界面,將研究古生界劃分為3個層序組和14個層序。
  13. Initiates from distant tokyo had to change buses on their six - hour journey to the retreat. some initiates even had to leave home as early as friday. although it was a long trip, none of us looked tired when we arrived, and everyone enjoyed the happy atmosphere of the gathering

    從東京遠趕來的同修,必須輾轉車,經過六個小時以上的車程才能抵達,有些地的同修甚至從星期五就得從家裡出發了,雖然經過長途跋涉,但是大家抵達之後卻毫無倦意,每個人都非常愉快地享受與同修相聚的歡樂氣氛。
  14. This paper illustrates detailedly the thin groupware auto - adaptive recognition system ; it also illlustrates the procession of capture image and take indispensable foreclose to wipe off noise in order to get boundary easilyer. the recognition system uses " hough " transform method to make the recognition area orientation, and according to the unstable environment such as lights which leads to the change of the image ' s brightness, thresholds picture using an iterative selection method and then growing process for cell image segmentation based on local color similarity and global shape criteria, adaptively gets the best threshold to divide the washer off the background. the recognition system uses the classifier based on minimal - error - ratio bayes method to make decision after getting image characteristic

    本文詳細介紹了薄形組合件自適應識別系統;闡明了圖像的分通自動採集過程,以及對採集到的原始圖像所進行的預處理方法。通過採用哈夫變去除偽邊緣點的方法,有效地解決了識別域的定位問題。針對裝配零件(主要是墊片)薄、小導致圖像信息少、識別難度大,以及材質不一導致採集到的組合件圖像亮度波動等問題,提出了使用最佳閾值迭代法和使用種子填充的圖像串列分割技術,自適應地找出最佳閡值,使墊片和背景分離,從而提取墊片數目信息。
  15. This is a favorable condition for the understanding of the processeses and mechanisms of sediment transport and the associated local and regional effects. as a channel for the exchange of sediment between the bohai and the yellow seas, the bohai strait is a good example

    作為渤海和北黃海物質交和輸運通的渤海海峽也不例外,其獨特的地質和水文條件為沉積物搬運的研究提供了極好的研究域。
  16. This helps their long - turn lives, but there are some material problems : fund source is simplex ; compensation level is low ; it is hard for the farmers to find jobs ; many farmers " lives get worse, etc. on basis of reviewing advantages and disadvantages of this innovation ; referring to experiences of the world ; according to economics theories, from the aspects of rule insurances, insurance financing, zone plan as a whole, this text raises some strategies and ideas on how to solve the farmers " problems : short - turn interests, long - turn interests, real civilization, etc. during their being levied

    但這一做法存在著安置資金渠單一,利益補償標準低,被征地農民就業困難,許多農民的生活水平下降等實質性的問題。本文在評價嘉興市「土地保障」機制的優勢和不足的基礎上,借鑒國內外先進經驗,根據經濟學有關理論,從制度保證、保障資金籌措和管理、域統籌協調等方面,提出了在土地徵用補償過程中解決被征地農民當前利益、長遠利益、以及實質性融入城市等問題的思路和對策。
  17. Every year on high - way, there are a large number of traffic accidents that due to driver ’ s inattention or bad - handle. lane departure is the mainly cause. the definition of lane departure is that regard the automobile as a rectangle, any one of angle contact or excess the lane that the automobile is running, we regard the automobile is in lane departure

    該方法解決了車偏離預警系統啟動時因車輛前方不存在車線信息而不能很好的初始化的問題,在搜索車輛前方可行域的過程中,由於確立可行域擺脫了對車線的依賴,因此能夠很好地解決了變過程中繼續跟蹤車線的問題。
  18. By default mmus are implemented and they are constructed of 64 - entry hash based 1 - way direct - mpped data tlb and 64 - entry hash based 1 - way direct - mapped instruction tlb

    默認的存儲器管理單元實現由基於64個散列入口的單通直接映射的數據后備式轉緩沖和基於64個散列入口的單通直接映射的指令后備式轉緩沖組成。
  19. After a discussion of the heat transfer condition of the chilled water pipe which is installed in tunnel, the relation between the temperature of the chilled water and its transportation distance, the author holds that a central refrigeration system shall be adopted, and the loses of chilled water temperature in a long transportation distance could be overlooked on the condition that the pipe is heat insulated

    摘要分析了冷凍水管沿地鐵間隧敷設時與周圍環境的熱狀況;認為採用集中供冷的方式,在隔熱情況下可不?慮冷凍水因長距離輸送而引起的溫升損失。
  20. Modification of heat transfer model of zone and network model in airway

    網模擬中傳導熱模型的修正
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