運動的常數 的英文怎麼說

中文拼音 [yùndòngdechángshǔ]
運動的常數 英文
constant of the motion
  • : 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...
  • : 4次方是 The fourth power of 2 is direction
  • : 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規律,並得出逆止器正工作幾何參條件。
  2. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜有關參,對于霜工況下霜生長建立模型,經適當假設,用質量守恆、能量守恆和量守恆方程建立適合態模擬蒸發器學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾開、停機過程,態集中參模型進行分析和計算,為更好地描述製冷系統全過程奠定基礎,同時也為製冷系統實現自控制提供一定理論基礎; 3 )對蒸發器正行過程,態分佈參和參間定量耦合觀點來分析和計算,為更好地了解穩態工況下各點參變化情況及各入口參對蒸發器態特性影響即蒸發器性能對各參變化敏感性; 4 )編寫翅片管蒸發器態特性模擬計算程序,可以計算不同邊界條件和初始條件下製冷劑熱力參、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下態模擬。
  3. 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,由於升學制度制約,一些學校無視學生體育活和身體健康,有些高年級體育課貫用「偷梁換柱」做法,外排體育課,內上文化課,目前多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體育活開展,更難以說適應新課材要求。
  4. 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

    波莫納加利福尼亞州立大學學和健康促進教授唐?莫里斯說,這非同尋,因為大多加利福尼亞小學生是由非體育專家任課教師授課
  5. 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規晶元系列組成控制器,提出了採用單穩態多諧振蕩器和據選擇器四倍頻辨向電路。
  6. 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

    在近年來提出基於質點學原理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基礎上增加角度變化率及相對離心加速度等學參單站無源測量模型,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可觀測性進行分析並得到了相應可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法缺點,提出了一種修正協方差擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等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目標跟蹤方法和模型,提出了利用角度及其變化率對機輻射源跟蹤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方法。
  7. Cervical myelopathy had been noted in patients with involuntary neck movement, especially in individuals with athetoid - dystonic cerebral palsy ( cp )

    摘要頸部有不自主患者,發生頸椎神經根或脊髓壓迫病變過去僅有少報告,主要發生在舞蹈型-張力異腦性麻痹者。
  8. 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

    當軸向速度在其平均值附近作簡諧波時,應用多尺度法給出軸向變速梁參共振時不穩定條件。
  9. The linear permanent magnet synchronous motor ( lpmsm ) has avoided the effects of the mechanical transmission chains from rotary motions to linear ones, and has strong electromagnetism thrust, lower cost, small electrical time constant and rapid response etc., which becomes one of the best executive machines in the high - precision and micro - feed servo system

    由於永磁直線同步電機消除了旋轉電機由旋轉到直線機械傳影響,且具有電磁推力強度高、損耗低、電氣時間小、響應快等特點,使其在高精度、微進給伺服系統中成為執行機構最佳選擇之一。
  10. The exhaust system and muffler are simplified as a set of 1 - d pipes with non - isentropic flow and with variable sections. the partial differential equations of non - stationary flow are transferred into the stationary differential equations by means of the characteristic lines. these equations are solved by finite difference method

    在排氣管系計算中將排氣管簡化為一組一維非等熵變截面管,並通過「特徵線法」將描述其非定偏微分方程轉化為微分方程,再用差分值方法依靠計算機求解。
  11. In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll

    研究表明:在某些頻率范圍內相關水力系基本不隨吃水變化,只有超過某一頻率后水力系值才會出現差異;在橫搖方向,水力系並沒有隨著吃水變化發生規則變化,而是出現了波現象;近船首剖面力系計算表明,水力系大,並遠遠偏離了平均位置力系值,值變化速率也不盡相同,總看來,上振幅曲線曲率較大,變化較快,下振幅曲線曲率較小,變化較慢;外飄力和波面速度平方項有關,導致其振頻率和相應方向頻率不同;外飄力使升沉向下幅值減小;船速對三個計算量峰值影響甚微,但對振頻率有明顯影響;波幅對船舶影響是明顯,船舶幅值基本上和波幅成線性關系。
  12. Pickup cameras take in the video and get the data and translate to the computer. computer operates the avi video stream manipulation and the image processing

    攝像頭拍攝被檢驗儀表獲得視頻據,計算機通過對avi文件視頻流實時操作,對儀表進行實時監控,實現監測儀表指針功能。
  13. Professional sports clubs of each sport category are importing a large number of foreign players and coaches every year with an aim to attract more and more sport audience and enhance the overall level of national sports as a whole

    性業務。為了提高中國體育水平,為了提高中國各種體育比賽觀賞性,中國各個體育項目和職業體育俱樂部每年都需要引進很大外籍球員和教練員。
  14. This study introduces the energy consistent method ( ecm ), the ecm potential function, and the new formulae of vibrational force constants which are proposed by weiguo sun and hao feng [ 45, 46 ] recently. the ecm is applied to study the diatomic potential functions for some electronic ground states and excited states of gif, ch, bh, xeo, laf, 7lid, na7li, narb and krb molecules. the ecm potentials are compared with the experimental based rkr ( rydberg - klein - rees ) potentials, ipa ( inverted - perturbation - approach ) potentials, analytical morse potentials, and hms ( huxley - murrell - sorbie ) potentials

    本文詳細地介紹了孫衛國和馮灝用二階微擾理論所導出高階振求解公式、能量自洽法( energyconsistentmethod - ecm ) 、 ecm勢能函定義以及用能量自洽法計算穩定雙原子分子體系勢能函具體步驟,並將ecm方法推廣應用於cif 、 ch 、 bh 、 xeo 、 laf 、 ~ 7lid 、 na ~ 7li 、 narb和krb等九種異核雙原子分子十二個電子基態和激發態勢能函
  15. As we know, many results on analytic solutions of iterative equations are obtained by constructing a majorant series. for technical reasons, in previous works an indeterminate constant a, as the eigenvalue of the linearization of unknown function at its fixed point, is required to be off the unit circle or lie on the circle with the diophantine condition

    已有許多關于迭代方程解析解結果都是用優級法得到,並要求一個作為未知函在其不點處線性部分特徵值不在單位圓周上或者在單位圓周上但滿足diophantine條件。
  16. What the practical problems is often gotten is a single variable time series which has a time interval of t, reflect by a lot of interactive physics factor, containing the mark of all variates participating in movement, traditional time series analysis is to analyse going from this array to the form directly it ' s time develops, one dimension analysis loses useful information, the characteristics of phase space reconstruction method is to construct one dimension scalar quantity to high dimension vector, prop the geometry space of the state, show all dynamical information of system in phase space. the characteristic that just constructs again according to the phase space in this text, analyse the time series of responding, use the relevant knowledge of symbol dynamics and reconstruct phase space, put forward a kind of relation degree analysis method of the systematic mathematics model which has theory basis, so reach the correction of calculation mathematics model, make it accord with the actual systematic state

    實際問題中得到是一個時間間隔為t單變量時間序列,它是許多物理因子相互作用綜合反映,蘊藏著參與全部變量痕跡,傳統時序分析是直接從這個序列去形式地分析它時間演變,一維分析必然喪失許多有用信息,相空間重構方法特點是把一維標量據構造成高維矢量,支起狀態幾何空間,在相空間中展示系統全部力信息。本文正是根據相空間重構特點,對響應時間序列進行分析,利用符號力學、重構相空間等方法,提出一種有理論依據系統學模型關聯度分析方法,從而達到修正計算學模型,使其更符合實際系統狀態
  17. The method of change partial differential equation into ordinary differential equation is classified, the bifurcation and chaos in nonlinear schrodinger system is detected and the effectiveness of controlling chaos of buckling beam with parametric perturbation method is studied in details. chapter 7 is the summary and conclusion of the dissertation

    第六章總結歸納了將非線性偏微分方程轉化為微分方程變換法,研究了一維無界區域上非線性薛定諤方程分岔和混沌性質,解析地研究了用參周期擾法控制屈曲梁混沌效果。
  18. 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 )

    有氧跑步是訓練主要項目,有氧訓練和速度訓練將增加你,因為他們可以使你身體器官在更高強度下正作,並能忍受肌肉中高乳酸(短期劇烈副產品) 。
  19. Generally the events of interest are quite rare ( many orders of magnitude slower than the vibrational movements of the atoms ), and therefore direct simulations, tracking every movement of the atoms, would take thousands of years of computer calculations on the fastest present day computer before a single event of interest can be expected to occur, hence the name eon, which is an immeasurable period of time

    某些我們感興趣現象是非罕見(例如一些以極小量級速度原子) ,所以用當前最為快速計算機直接模擬、跟蹤一個可能每天僅僅只能唯一觀察到一次我們期望它能原子,需要花費成千上萬年計算機處理時間,所以我們將我們項目命名為eon ,它是一段不可計量時間。
  20. The numeric method is used to calculate the static thermal conductivity, which is compared with the maxwell formula. the dynamic thermal conductivity is derived from the motion of the nanoparticles

    值模擬方法模擬靜態導熱系,並與maxwell公式進行比較;從粒子事實出發,建立了態導熱系計算公式。
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