預定速度 的英文怎麼說

中文拼音 [dìng]
預定速度 英文
preset velocity
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 預定 : 1. (預先規定或約定) fix in advance; predetermine; schedule 2. [計算機] reserve
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. The result indicates that, in the course of the rainstorm in huoshan, there are obvious low - level jet of great intensity, infection of mesoscale shear line, enhancement of plus vorticity which increases intensity of convergence, improves ascending velocity and brings on precipitation, and quick enhancement of helicity which provides the basis to forecast, in addition, convergence of moisture flux and analyzed potential vorticity which reflects baroclinic convective instability sufficiently indicate the characteristics of the rainstorm

    結果表明:此次霍山暴雨發生前後,存在明顯的大強低空急流,並受到中尺切變線的影響,而且正渦的加強引起了輻合加劇,提高了上升從而引起降水,同時暴雨發生前螺旋的迅增強,也為報提供了根據,另外水汽通量的輻合以及分析位渦反映出的斜壓對流不穩都充分體現了這次降水的特點。
  2. The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment

    利用這種方法,建立了適合醇-羧酸等系列二元體系的單參數margules方程,本文對醇-羧酸系列等8個二元凝聚體系的單參數margules方程的參數進行回歸,並利用整個實驗數據對模型進行了檢驗,另外,本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酯酸相圖進行測,通過與實驗數據進行比較,測的低共熔溫與實驗測較為吻合,其相對誤差為0 . 51 ,這將為快獲取多元體系的相變材料提供測方法。
  3. During the adjustment. it decided the amount and the rate of humidification. the system can test the states of water level by water lever sensor, thereby the main control module can control the entrance and drain of water and give warnings ; as its good man - machine interaction, the system can expediently set the humidity and the amount of humidification and control water - in valve and leading winds through control panel. the system can communicate with computer thereby the net supervise is enabled

    本系統主要能夠完成以下功能:採集空氣中的濕狀態,並送入主控模塊,主控模塊根據現有的濕判斷是保持原來狀態還是進行加濕以及加濕量的大小和加濕等;能夠通過水位傳感器測試水位的狀態,從而通過主控模塊控制進水、排水、報警、報警等;具有良好的人機交互性,能夠通過控制面板比較方便地進行濕、加濕量設、進水閥的控制、導風的控制等;能夠和上位機進行通信,從而實現網路監控。
  4. The calculation methods of shelters ’ capacity and the discount method of road capacity under the situation of emergency evacuation were given. then, taking emergency evacuation of the beijing 2008 olympic games as an example, we make out the emergency evacuation preplan for olympic games. on the aid of the advanced computer system simulation techniques, using emergency evacuation simulation software to animate the whole process of olympic evacuation for the fist time, and got some key parameters that can provide decision making supports for decision - makers, such as, the whole evacuation time, the average evacuation speed etc. and the simulation results were analyzed

    本文首先分析了我國大城市的交通狀況和突發事件發生狀況,在分析國內外應急疏散研究現狀的基礎上,借鑒國內外應對突發事件應急疏散的經驗和教訓,結合我國大城市突發事件應急疏散的具體特點,提出了大城市突發事件應急疏散研究的總體框架,提出了突發事件應急避難所和應急疏散道路的選擇原則,給出了應急避難所的容量計算方法和疏散道路在應急狀態下的道路通行能力的折算方法;然後以北京2008年奧運會突發事件的應急疏散為例,制了奧運會突發事件應急疏散案,藉助先進的計算機系統模擬技術,首次利用應急疏散模擬軟體orems對整個疏散過程進行了模擬,得到了總體疏散時間、平均疏散等可以為決策者提供決策支持的關鍵參數,並對模擬結果作了分析。
  5. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含水率對波影響比較大,飽和巖樣的聲波傳播高於不飽和巖樣的聲波傳播;人工制裂紋對聲波傳播影響不大;單軸壓縮條件下,聲波傳播隨應變增加逐漸降低;在同一溫( 160 )下,波隨保溫時間的增加而逐漸降低;在對巖樣逐漸加熱情況下,初始加熱階段波略有升高,當溫達到60時,巖樣波達到峰值,之後隨著溫繼續升高其波逐漸下降;波隨溫變化具有一的尺寸效應。
  6. Abstract : a cad tool based on a group of efficient algorithms to verify, design, and optimize power / ground networks for standard cell model is presented. nonlinear programming techniques, branch and bound algorithms and incomplete cholesky decomposition conjugate gradient method ( iccg ) are the three main parts of our work. users can choose nonlinear programming method or branch and bound algorithm to satisfy their different requirements of precision and speed. the experimental results prove that the algorithms can run very fast with lower wiring resources consumption. as a result, the cad tool based on these algorithms is able to cope with large - scale circuits

    文摘:介紹了一個基於標準單元布圖模式的電源線/地線網路的輔助設計集成工具.它應用了一系列高效的演算法,為用戶提供了電源線/地線網路的設計、優化和驗證的功能.非線性優化技術、分枝界演算法和不完全喬萊斯基分解的優共軛梯法是該工作的三個主體部分.用戶可以選擇使用非線性規劃的方法或者幾種分枝界方法來滿足他們對于精方面的不同需求.實驗結果表明,文中所提供的演算法可以在很快的運行下實現更低的布線資源佔用.因此,在這些有效演算法基礎上實現的輔助設計工具具有處理大規模電路的能力
  7. After which, the battery will be charged by large constant current to allow the fast charging. finally, the constant voltage charging is adopted to guarantee the battery was charged to its full capacity. under the condition that the temperature has raised to a certain threshold at the constant current charging stage, the over temperature circuit is performing and it provides a compensation current which switches the system to constant temperature charging mode with the intention of protecting the ic

    即在充電初期採用較小的電流對電池進行處理,對出現過放電的電池進行修復和保護;然後採用較大的恆電流對電池充電,實現快充電的目的;最後採用恆壓充電,確保電池充滿;在恆流充電階段,當晶元溫上升到一時,晶元過熱保護電路開始工作,該電路以提供充電補償電流的形式使充電進入恆溫充電模式,對晶元進行保護。
  8. And a intelligent battery management system with full functions has been designed, which improved the management of charge and the estimation of residual capacity. the paper changed the current value of constant current charge - state, which current seems not constant during the working time, based on the three mice laws about battery charge. this change would increase the speed of charge, without harm to the battery

    同時本論文還設計了一套功能齊備的蓄電池智能管理系統,針對蓄電池管理中的充電管理和剩餘時間測進行了改進,提出:在恆流充電時,根據麥斯三大律,改變恆流充電時的恆流值,使恆流充電「不恆流」 ,而是根據放電的不同情況進行充電,充分提高充電,同時又不損傷電池活性物質;不再進行剩餘容量測,而是進行剩餘時間測,提供更加切實可行的信息,並且提出了一種簡單易行的剩餘時間測的方法,給出了測實驗的結果。
  9. We expect investment growth to sustain at the current pace ( about 25 % yoy ) for at least h1 next year ; window guidance on banks has limited impact on fai

    我們計至少一直到2008年上半年,投資增長將保持目前的增長(年增長25 % ) ;對銀行的窗口指導政策對控制固資產投資的影響有限。
  10. Pipeline increase the cpu efficiency greatly, but the exist of instruction correlation make the pipeline block and delay frequently, as a result it can ’ t achieve the aim that one instruction completed in one period averagely

    但由於流水線中指令相關等問題的存在,常常使流水線發生阻塞延遲,使得指令不能夠在的時刻完成,因而無法達到極限的目標,更無法超越該
  11. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先,分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理,結合包含損傷和應變率效應的材料動態本構方程,建立了纖維復合材料板彈道極限測公式;其次,根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點,建立了陶瓷/復合材料靶板抗彈性能分析模型,給出了彈道極限測公式;最後,利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題,對雙層陶瓷復合靶板的優化設計進行了分析,給出了在一面密下的最佳優化系數,討論了一彈道極限下的面密和厚隨優化系數的變化關系。
  12. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下,通過分析喂料在不同直徑和長流道中的流動規律,得到了喂料在流道中的場、壓力場和溫場,找到了流道長徑比的合理取值范圍,並得出通過改變流道設計可實現對現有設備資源充分利用的結論;給出了不同注射壓力下,型腔壓力與充模時間關系曲線和喂料熔體平均充填與充模時間關系的曲線,得到了注射壓力對充填時間和型腔壓力的影響規律,確了最佳的充模時間、注射時間和注射壓力;通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動和壓力分佈,測了注射件的成形質量,或可能產生的注射缺陷及位置,優化了澆口設置。
  13. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫場的模擬中,模擬結果表明,保壓時間是影響製件成形質量的關鍵因素之一,擠壓、液態金屬澆注溫制體熱溫和模具熱溫等工藝參數對溫場的影響也很大,需進行參數之間的協調,只有當變形區內部始終維持準固態時,才能實現穩的液-固擠壓成形過程;在變形場的模擬中,根據液態浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘塑性有限元計算模型,研究了變形過程中應力應變場的變化規律,研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。
  14. Liquid - solid extrusion of composite material is a new kind of metal forming process, which has been developed in recent years with a promising practical application prospect for its simple working procedure, low cost and good workpiece performance. through a lot of experiments, the optimization and chosing method of key process parameters ( pouring temperature, mold warm - up temperature, impregnating pressure, impregnating time ) has been mastered. under the precondition of appropriate chosing these parameters, the effective control of extrusion velocity is the key of mading good workpiece. but the control of extrusion velocity remains a handwork, and it is heavily affected by such uncertainties as a handler ' s knowledge and skill about the process. in order to solve the problem, the automatic control of the extrusion velocity is studied, and a computer control system is also designed under existing condition

    通過大量實驗,已掌握了關鍵工藝參數(熔液澆注溫、擠壓模熱溫、浸漬時間、浸漬力)的優化選取方法。在合理選取關鍵工藝參數的前提下,擠壓的控制是成形出質量良好製件的關鍵。但是,目前對于擠壓的控制仍停留在手動控制階段,利用該工藝制備管、棒材製件的成功與否受操作者對該工藝及其設備的經驗及熟練程等不確因素影響很大。
  15. The algorithm can be applied to connection routing in pcbs with various pad geometry and pad sizes, with different wire widths and variable distances between wires. the basic element in routing is the search line with a given destination. the main features of the router are the target orientation of the search lines, the routing efficiency is guaranteed by rationally designed data structures and by the ability of searching around obstacles, the small amount of working storage and the reasonably short routing time

    該布線演算法適用於焊盤外形尺寸不一,線寬及線間距離可變的印刷電路板布線,其基本要素是帶有終點的探索線,特點是線探索具有目標針對性,設計合理的數據結構及靈活的繞障探索方式可大大提高搜索效率,所需存儲量小,布線快。
  16. Such amplitude variations would be predicted on the basis of principles governing seismic velocities in heterogeneous media.

    按照在非均勻介質內確地震的原理,應能測這樣的振幅變化。
  17. Centrifugal clutch 18 is provided to mechanically couple power source 12 to work device 14 as the speed of input 15 of work device 14 increases to a predetermined speed wherein the need for the torque and speed conversion provided by non - grounded multi - stage transmission 22 become less necessary

    離心式離合器18設為隨著工作裝置14的輸入15的增加到預定速度時將動力源12與工作裝置14機械連接,此時逐漸不再需要非搭鐵多級變器22提供的扭矩和轉換。
  18. This paper, after discussing the basic theory and the application of digital image processing and analyzing the concrete characteristics of the water meter, puts forward the crux algorithm that identifies automatically the position and direction of the pointers of water meter with techniques of the image preprocessing, image segmentation and image analysis and recognition

    本文結合水表的具體特點,分析了將圖像處理技術應用於自動識別水表指示讀數的原理。找到了一種滿足一和精的水表讀數識別方法。該方法主要包括水表圖像處理、水表圖像分割、指針讀數的識別。
  19. A process by which a receiving data device determines the speed, code level, and stop bits of incoming data by examining the first character ? usually a preselected sign - on character ( often a carriage return )

    這一檢測過程是一個接收數據設備通過檢驗第一個字元(通常是一個的字元,比如回車)來決、代碼等級,輸入數據結束位。
  20. When the speed of naval ships varies from 0 to 30kn, the estimated error is found increased. while the naval ships reach a certain speed, the estimated error will keep constant

    當艦船從0到30kn節之間變化時,發現測誤差有所增大,當到一之後其測誤差保持不變。
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