beam an 中文意思是什麼

beam an 解釋

  • beam : n 1 梁，棟梁，桁條；（船的）橫梁。2 船幅；（動物、人的）體幅。3 （秤）桿，杠桿，（織機的）卷軸，...
  • an : an1indef. art. 見 a 條。1. 〈方、口〉 ＝ and. 2. 〈古、方〉 ＝ （and） if.
  1. As an advanced welding technology of aluminous alloy welding, electron beam welding has become more and more important in manufacturing

    電子束焊接作為在鋁合金焊接中一種先進的焊接技術，正在汽車製造等領域發揮越來越重要的作用。
  2. In most recent studies, researchers have analyzed aluminum - rich minerals such as anorthite and hibonite using an ion microprobe, which bombards a sample with a focused ion beam to release secondary ions from the sample ' s surface

    在最新的研究中，科學家使用離子微探針來分析鈣長石、黑鋁鈦鈣石等富含鋁的礦物，以聚焦的離子束撞擊樣本，使樣本表面釋出次級離子。
  3. The paper is based on an arcuated built - up system bridge - zhongshan no. one bridge to be built in guangzhou, adopts the large universal finite element programme ansys, takes spatial action among members into account, establishes a three - dimension finite element model, and discusses the following several aspects : firstly, when three - dimensional finite model of a complicated bridge is founded, a beam - lattice method is a kind of applied and effective spatial analysis method, which is used to analyze superstructures of a bridge

    本文以廣州市中山一橋為背景，採用大型通用有限元程序ansys ，考慮構件間的空間相互作用，建立了三維的有限元模型，重點對以下幾個方面進行深入探討：首先，在對復雜的橋梁結構進行三維的有限元模型建立時，梁格法是分析橋樑上部結構比較實用而且有效的空間分析方法。
  4. Beamforming takes an important role in the multi - beam bathymetric

    波束形成在多波束測深中具有十分重要的作用。
  5. The secondary backscattered electron current is used to modulate the intensity of an electron beam in a cathode ray tube(crt).

    二次電子或背散射電子的電流被用來調制陰極射線管（CRT）中電子束的強度。
  6. The corresponding electric currents are used to deflect an electron beam in a cathode-ray tube.

    相應的電流就用來使陰極射線管里的電子束偏轉。
  7. It diffracts the diffracted beam which effectively means that it generates an inverse transform.

    它對衍射光束再發生衍射，這實際上意味著它產生了一個逆變換。
  8. An electron gun shoots a beam of electrons at a screen coated with a substance which lights up when the electrons hit it.

    電子槍把電子束射向螢光屏，螢光屏上塗有一層被電子射束照射時能發光的物質。
  9. In an experiment, a beam of known intensity impinges on a target.

    在實驗中，用已知強度的粒子來擊轟靶。
  10. Beam contributor means an indivisible optical assembly including a lens

    光束發射器指一個包括透鏡的不可分割的光學總成。
  11. Again, this is an important experience to pay attention to, because being on the beam, moving toward home, does not render you incapable of experiencing the infinitude of life in the act of being

    容我重申一次，你目前的經驗非常重要，你必須專注其上，因為，保持在光明指引下、往天鄉邁進之際，你並不會經驗不到那無限生命在有限世間的活動的。
  12. Shelton saw from the fixed beam in her eyes that she had not an inkling.

    謝爾頓從她眼睛里凝定的光波中看到她一點兒也不明白。
  13. 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
  14. Alternatively, the ripples can be irradiated from above with a laser beam to produce an instantaneous reconstruction in reflected light.

    或者也可以用一束激光從上面照射波紋，在反射光中產生即時的重建象。
  15. The experiment of intracavity doubling of a 946 nm nd : yag laser with an lbo crystal has been done at room temperature. a continuous wave 473 nm laser is obtained with 235mw output power at a pump power of 20w. the laser beam quality of 473 nm is good as well

    對腔內倍頻輸出473nm激光進行了初步的實驗研究，在泵浦功率為20w時， l獲得了光束質量較好的連續波形式的藍光激光輸出，其功率為200mw 。
  16. According to this, the phase - matching conditions, effective nonlinear coefficients, acceptances of angle and wavelength for biaxial " crystals have been discussed in detail. thermal lens effect is an important factor which affects the quality of laser beam and the amount of output power

    實驗上，採用了雙軸晶體lbo作為倍頻晶體，因此對雙軸晶體相位匹配、有效非線性系數的計算、允許角、允許波長給出了較完整的分析。
  17. A pulse from an intense laser or particle beam, however, creates a disturbance in the plasma

    然而，一個從高密度的雷射或粒子束所產生的脈沖，可以對電漿產生擾動。
  18. An antenna array that is truly smart would be able to aim a radio beam directly at a mobile user instead of choosing a beam that comes relatively close

    一個真正聰明的陣列天線，必須能夠直接把波束瞄準行動用戶，而不是選用與用戶較為接近的波束。
  19. And when the array transmits back to the cell - phone user, the processor sends an out - of - phase signal to one of the antennas, generating a radio beam that runs from north to south

    當陣列發射訊號給行動電話用戶時，處理器會傳送一個異相的訊號到其中一個天線，產生由北往南的無線電波束。
  20. Pivoting 90 degrees, raab pans westward across the sagebrush - stubbled desert until he spots an identical tube and another building, also four kilometers distant. “ when we talk about locking the laser beam ” that shines inside those tubes, raab says, “ we mean holding the light waves steady to better than the width of an atom ? over that distance

    拉布說：當我們談到鎖住（管道內的）雷射光束時，意思其實是：在光束行經四公里的距離后，我們可以將其偏差控制在一個原子的寬度之內。
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