運動常數 的英文怎麼說

中文拼音 [yùndòngchángshǔ]
運動常數 英文
constant of motion
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  1. The geometrical conditions that the backstop can be run in gear have been educed by researching the movement of the components

    研究了在逆止器工作過程中個相關零件的運動規律，並得出逆止器正常工作的幾何參數條件。
  2. Paragraph of time, the physical - training teacher educating a branch to organize implement new class bid to middle and primary school reforming condition making an investigation, indicate on inquiry in the front, scale is small since a little school running a school, a little rural area elementary school, does not move space especially, be not enough to pay attention to waiting a minute or to physical training, do not have very good according to that new class switches over to demand to open enough physical education, since entering the higher school the system restraint, a little school defies student sports activities and good health, physical education birthplace having some of higher class with the method of work " resorting to fraudulence ", go ahead culture class within outside row physical education, at present major middle and primary school stadium field layout, equipment and material facilities are obsolete, short - supplied, foundation has no way to ensure that regular sports of school is flexible carrying out, is difficult to say material request adapting to new class more

    前段時間，教育部門組織體育教師對中小學實施新課標改革情況進行調查，調查表明，一些學校由於辦學規模小，特別是一些農村小學，沒有運動場地，或者對體育鍛煉不夠重視等等，沒有很好地按照新課改要求開足體育課，由於升學制度的制約，一些學校無視學生體育活動和身體健康，有些高年級的體育課貫用「偷梁換柱」的做法，外排體育課，內上文化課，目前多數中小學體育場地布局、器材設施陳舊、緊缺，根本無法保證學校正常的體育活動的開展，更難以說適應新課材的要求。
  3. This is unusual, since the vast majority of california ' s elementary students receive pe instruction from classroom teachers who are not pe specialists, says don morris, a professor of kinesiology and health promotion at california state university in pomona

    波莫納的加利福尼亞州立大學運動學和健康促進教授唐?莫里斯說，這非同尋常，因為大多數加利福尼亞的小學生是由非體育專家的任課教師授課的。
  4. Motion controller composed of general chip series is developed and quadruple differential circuit utilizing dual monostable multivibrators with schmitt trigger inputs and dual 4 _ line to l _ line data selectors or multiplexers is put forward

    本論文研製了一種用常規晶元系列組成的運動控制器，提出了採用單穩態多諧振蕩器和數據選擇器的四倍頻辨向電路。
  5. Traffic accident simulation and control technology are simulating the environment and driving process, simulating the operation situation of accident vehicle on the road, making kinematic analysis based on data such as vehicle collision, stop location and collision narks, to determine the normally running line and the speed of vehicle before the accident, presume the collision speed course reversely, use 3d graphics technology to reappearance accidents process, provide scientific theory for the analysis of the cause, make corresponding protect safety technology and strategy

    交通事故模擬與控制技術是對駕駛環境與駕駛行為進行模擬，模擬車輛在道路上發生事故的運行情況，根據車輛碰撞位置和停止位置、車身碰痕等事故現場數據進行運動學分析，確定車輛在事故前正常行駛時的速度和路線，逆向推定碰撞車速及事故過程，應用三維圖形技術再現交通事故過程，為分析事故成因，提出相應的交通安全保障技術和策略奠定科學理論依據。
  6. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體，主要分佈在兩個區域；火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近，或近日距離接近甚至小於日地平均距離，其運動可深入到地球軌道的內部，這將導致該類小行星與地球（還有金星、火星等）十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難，包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法（包括辛演算法）計算效果的比較，根據小天體運動自身的特性，給出了相應處理措施，從而可提高計算結果的可靠性
  7. By constructing the geometrical model of a certain underground single arm type pantograph and applying the translation of pantograph - head balancing bar and the perpendicular displacement of pantograph in the direction of the movement of locomotive while raising pantograph as the objective which must satisfy the demands of locomotive ' s stable current collection, this paper applied the multi - objective optimization based on the genetic algorithms to design the pantograph mechanism

    摘要在建立某地鐵單臂受電弓簡化幾何模型的基礎上，根據列車平穩受流對受電弓提出的各項要求，以受電弓升弓時機車前進方向上的縱向偏移量和弓頭平衡桿的平動為目標，以受電弓正常升弓所需升弓轉矩等為約束，運用基於遺傳演算法的多目標優化技術，對該型受電弓機構進行了優化，得到了使受電弓運動性能達到最優的幾何參數。
  8. In the second place, based on the asu of buggenum igcc plant in netherlands, both static and dynamical model for distillation tower of the asu are created and some valuable conclusions are gained as well. finally, a compartmental simplified model is created for distillation tower of the asu, in order to reduce the simulation time and increase the simulation efficiency. the new model will be helpful to the further simulation and on - line optimal control for the asu of the igcc plant

    其次，本文以荷蘭buggenum電站的空分系統為原型，基於matlab建立了空分系統精餾塔的半圖形化動、靜態數學模型，並通過模擬，得出了一些有價值的結論：當空分系統的壓力變化時，氧氣產品濃度的響應時間常數為兩小時左右，說明空分系統是igcc電站最大延遲環節；而且雖然氧氣濃度最後會穩定在igcc電站所要求的范圍之內，但在過渡過程中會超出限制，這些都為igcc電站的安全運行及控制系統設計提供了有價值的信息。
  9. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  10. Based on the general mathematical models of multibody system dynamics such as the kinematics models of multibody dynamical systems, the ordinary differential equation models and the differential algebraic equation models of dynamics, general forms of the sensitivity equations of the systems are deduced by using direct differentiation method and adjoint variable method

    基於通用的多體機械繫統運動學數學模型，常微分方程形式的動力學數學模型、微分/代數方程形式的動力學數學模型分別採用直接微分方法、伴隨變量方法推導出了系統的狀態靈敏度方程的通用形式。對于微分/代數形式的數學模型
  11. Cervical myelopathy had been noted in patients with involuntary neck movement, especially in individuals with athetoid - dystonic cerebral palsy ( cp )

    摘要頸部有不自主運動的患者，發生頸椎神經根或脊髓壓迫病變過去僅有少數報告，主要發生在舞蹈型-張力異常型的腦性麻痹者。
  12. Based on an engineering background, through numerical simulation of the flow field in the hp turbine of the energy efficient engine ( e3 ), the article research the unsteady flow in a transonic turbine stage, the unsteady phenomena in the stage include the shockwave, wake, shedding vortex, endwall vortex, passage vortex and leakage vortex, etc. there are two shockwaves generated on the vane the tailing edge, one on suction side is named moving shockwave, and name another on pressure side steady shockwave

    本文首先對于研究的意義和國內外研究的現狀做了簡要的介紹，再從某工程背景出發，通過對e3發動機高壓渦輪內流場的數值模擬，研究了干涉的周期性的問題，以及渦輪級內常見的非定常現象：激波、尾跡、脫落渦、根腳渦、通道渦、漏流渦。導向器尾緣會出現兩道激波，在吸力面的激波可稱為「運動」激波，壓力面的激波可稱為「定常」激波。
  13. For the most part, and on the outside, i was a good kid, a giggly tomboy who liked to play sports and who was good at competition

    多數時候，從表面上看，我是個好孩子，一個嘻嘻哈哈的假小子，喜歡體育運動，比賽常拿名次。
  14. Based on an analysis of dynamic conditions for migration and precipitation of gold grains in water system and their diffusion in soil, this paper has advanced a discriminant formula for surfacce ore potential of gold anomalies from 1 : 50000 stream sediment survey, recounted methods for estimating the highest gold grade ores within the anomalies, calculated the discriminant indices for qinba area, and summed up index characteristics of ore - induced gold anomalies in 1 : 10000 soil survey, estimation formulae for orebody location as well as coefficients and constants of slope angles of various orders and grades

    摘要在分析金粒在水系中運移、落淤和在土壤中擴散動力條件的基礎上，本文建立了五萬分之一水系沉積物測量金異常地表含礦性的判別公式，闡述了推算異常內礦石最高金品位的方法並計算了秦巴地區的判別指數；總結出萬分之一土壤測量礦致金異常的標志特徵、礦體定位的估算公式及各級次地形坡度角的系數和常數。
  15. When the axial speed varies harmonically about a constant mean one, the method of multiple scales is applied to the axially moving beam to determine the instability boundary due to parametric resonance

    當軸向運動速度在其常平均值附近作簡諧波動時，應用多尺度法給出軸向變速運動梁參數共振時的不穩定條件。
  16. According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger

    運用非牛頓流體力學理論和數理方法，結合抽油泵柱塞運動特點，假設液體為不可壓縮的，液體在縫隙中流動的水力半徑很小，呈層流流動，柱塞在每一位置的瞬間，流動做定常流處理，建立了泵筒與柱塞同心和偏心兩種情況下運動方程和邊界條件，引入無量綱坐標、無量綱速度和柱塞與泵筒偏心配合時的縫隙高度，並給出縫隙流流速、流量的解析解。
  17. This article presents a mathematical calculation model of kinematic parameters for the unusual shape beam pumping unit by analyzing its geometry relationship and kinematic characteristics

    異形游梁式抽油機的游梁后臂有效長度隨曲柄轉角而變化，故無法利用常規游梁式抽油機的解析方法來計算其運動參數。
  18. 5. effects of unsteady flows on the aerodynamic characteristics are also analyzed. the results of this dissertation are useful for the further investigations of three - dimensional flapping wing

    對于非定常不可壓流動，分析了運動參數對翼型氣動特性的影響，為進一步研究繞三維撲翼的非定常流動打下基礎。
  19. While aerobic distance work should be a primary training focus, an aerobic training and speed training will improve your performance times since they enable you to function at higher intensities and to endure high lactic acid levels ( a by - product of short bursts of exercise )

    有氧跑步是訓練的主要項目，有氧訓練和速度訓練將增加你的運動次數，因為他們可以使你的身體器官在更高強度運動下正常運作，並能忍受肌肉中的高乳酸（短期劇烈運動的副產品） 。
  20. According as the base principle of digital video motion parameter estimating, placed emphasis on discussing the block - matching method in motion estimation, gave a intact n - search method, simulated in computer according to the s - vga standard of digital video, and got a accurate motion vectors

    依據數字視頻運動參數估計的基本原理，重點討論了運動參數估計中最常用的塊匹配法，給出了一個完整的n步搜索法方案。以數字視頻演播標準s - vga為標準，採用計算機模擬得到了正確的運動矢量。
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