rotational 中文意思是什麼

音標 [rəu'teiʃənəl]
rotational 解釋
adj. 形容詞 1. 旋轉的；輪流的，循環的。
2. 【農業】輪作的。

  1. We have found that there is also a rotational analog for the momentum.

    我們發現對動量也有一個轉動的對應量。
  2. Application of rotational dsa technique in cerebral angiography

    在腦血管造影中的應用
  3. Moreover, the time for charon to go around pluto is the same as the rotational period of pluto. therefore, charon is a

    此外，查戎的公轉周期和冥王星的自轉周期一樣，所以它是一顆
  4. The rotational levels of the ground vibrational level may be depopulated by radiation.

    基態振動能級的各轉動能級的粒子數可能因幅射而減少。
  5. Adopted unique ventilation system and rotational direct current motor stabilize the hot airflow

    採用獨特的導風系統及旋轉式直流電機，恆定預熱風量。
  6. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題，具體成果和創新點如下1 、根據流體力學理論，建立了螺旋槳推進器的動態模型，它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量，以電機施加轉矩為輸入，螺旋槳推力t和轉矩q為輸出。
  7. By analysing the relationship among the parameters such as substrate, speed, tension, rotational speed, shape distortion of paper etc, this article put forward a control law to control the drive transmission roller in emery cloth and sand paper production line, the principle is based on hooke ' s law

    摘要本文根據彈性力學中的虎克定律，結合砂布砂紙生產特點，分析計算了生產線中基體、應變、速度、張力、轉速等參數之間的關系，建立了砂布砂紙生產線中傳動輥轉速（頻率）運動方程。
  8. Mechanical vibration and shock - evaluation of human exposure to whole - body vibration - guidelines for the evaluation of the effects of vibration and rotational motion on passengers and crew comfort in fixed - guideway transport systems

    機械振動和沖擊.人體處于全身振動的評估.在固定導軌運輸系統中振動和轉動對乘客和乘務員舒適度影響的評估導則
  9. Compare the spherical aberration of refracted image of the rotational hyperboloid and the spherical surface

    旋轉雙曲面和球面折射成像的球差比較
  10. Those inflexion are brought by the energy balance and heating mechanism in stellar chromosphere and corona. using large samples, we gain several credible numeric relation between different magnetic activity index and rotational parameters

    我們通過對大樣本恆星的統計分析分別得到了晚型主序星磁活動與恆星自轉參量間以及磁活動與恆星色指數之間更廣泛意義的數值關系。
  11. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應（ cqi ） ，並且測得積分干涉角，為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息，實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢，應用含時微擾理論的一級波恩近似，假想在分子束實驗的條件下，建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式，通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢，同時初步探討了實驗的正確觀測途徑，得出了採用分子束進行實驗觀測的實驗方法，為進一步進行分子束實驗提供了理論基礎，對實驗的進行起到了一定的借鑒作用
  12. Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion

    文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性（包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈） ，通過比較三種形狀位相元（等邊三角形、正方形和正六邊形）的遠場光斑特性，得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。
  13. Despite the moon ' s rotational and orbital periods being exactly locked, we may actually observe about 59 % of the moon ' s total surface with repeated observations from earth due to the phenomena of librations and parallax

    盡管完全地被鎖的月亮的回轉而軌道的期數，我們由於振動和視差的現象可能實際上用來自地球的重復的觀察觀察大約59 %月亮的完全表面。
  14. In order to keep the desired line speed and carry out the normal logging without troubles, the rotational speed should be rectified manually which is a heavy work, and also the output consistency is not satisfactory

    測井中絞車滾筒半徑不斷變化，電纜的線速度也不斷變化，為保證線速度恆定和順利測井，需要不斷進行人工調整，工作強度大，速度輸出一致性差。
  15. When electrons move in spirals around magnetic lines of force, radio waves are produced and radiated out along the two magnetic poles of the star. usually, the rotational axis of the neutron star does not align with the magnetic axis. the radiation beams will sweep around and create the

    通常恆星的自轉軸和磁軸並不一致，中子星亦不例外，所以沿著磁軸向外發射的無線電波束，在中子星自轉的帶動下，便會如燈塔般向宇宙掃射，這便是著名的
  16. Microwave spectroscopist have determined the rotational constants for many molecules.

    微波波譜學家已經確定了許多分子的轉動常數。
  17. It is often desirable to apply pitch mismatch or rotational mismatch to increase the fringe density.

    經常希望採用間距錯配或轉動錯配以增加條紋密度。
  18. ( 2 ) the results reveal that the pre - swirl ratio has a great influence on the flow field of the rotating disk, even greater than the rotational reynolds number, and an initial constant is induced in moment coefficient cm and average nusselt number nuave correlations, which does not exist in the case of without pre - swirl

    （ 2 ）分析了預旋系數_ r對該旋轉盤腔流場的影響，定義了一個新的壓力系數c _ p ，該壓力系數c _ p沿徑向位置的變化對特定的旋轉雷諾數re _是一個常數。
  19. A synchronous motor drives the measuring bob at a constant rotational speed.

    同步馬達驅動測錘以恆速旋轉。
  20. Based on the inverse resolution kinematics models of the three - transferable and one rotational parallel kinematics platform we analyzed the factors restricting motion of the moving platform in the models

    在三平移一轉動並聯平臺位置反解模型基礎上，分析了反解模型中約束動平臺運動的因素。
分享友人
分享到 Line

分享到臉書