重對稱軸 的英文怎麼說

中文拼音 [zhòngduìchènzhóu]
重對稱軸 英文
n-fold axisof symmetry
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 稱動詞(適合; 相當) fit; match; suit
  • : 軸Ⅰ名詞1. (圓柱形的零件) axle; shaft 2. (對稱部分的直線) axis 3. (圓柱形的纏繞器物) roller; spool Ⅱ量詞(用於纏在軸上的線以及裝裱帶軸子的字畫)
  1. Moke and fmr studies were performed on single crystalline fe ultathin films epitaxially grown on iii - v semiconductor gaas substrate with thickness 4. 1 - 33 monolayer ( ml ). a theoretical mode for fitting fmr experimental data was established. the results demonstrated the structures and reproduced the evolution of the magnetic properties of ultrathin films with various thickness from the state of superparamagnetic nano - cluster through coexistence of two magnetic phases to continuous film, especially the change of magnetic crystalline anisotropy from unixial to cubic

    1 - 33原子層厚度( monolayer ,簡ml )的fe單晶超薄膜進行了鐵磁共振( fmr )和磁光研究,建立了理論模型鐵磁共振實驗結果進行了模擬,現了不同厚度的超薄膜,從納米團簇到兩相共存的過度階段直至連續薄膜結構與磁性的變化,特別是磁各向異性從單各向異性向立方各向異性轉變的演化過程。
  2. Abstract : a new type cold frame is intruduced. the deformation of unsymmetry section steel after cooling is mainly eliminated by reversely curring it on line, ensuring the achievement of automation of meticulous repair. at the same time the disposing principle of equilibrium weight on the driving axis of cold frame drived by eccentric wheel was improved. the torsional moment of transmission shaft and power of electric motor are reduced by the method

    文摘:介紹了一種新型冷床,通過在線型鋼進行反向彎曲,基本上消除了非型鋼冷卻后的變形,保證了精整工序自動化的實現.同時,提出了偏心輪驅動的冷床驅動上平衡的配置原則.此方法可降低傳動上所受的扭矩,減少了電動機的功率
  3. The radiation pattern of the antenna is more rotationally symmetric, and a more reduction on the sidelobe levels of the antenna is achieved as compared to the antenna with the corrugated soft surface. in conclusion, in the present thesis both theoretical and experimental research works have been carried out intensively on patch antennas based on photonic - bandgap structures. it is shown that our photonic bandgap structures can greatly improve the performance of the patch antennas

    該平面圓環結構軟表面天線是在空氣介質的皺褶圓環結構軟表面天線的基礎上改進得到,為了便於比較,我們首先研究了空氣介質的皺褶圓環結構軟表面天線,用fdtd方法並結合pml吸收邊界條件該天線的性能進行了研究,結果表明天線的帶寬增加,天線的性得到了很大改善, e面和h面方向圖的波束幾乎合,天線的旁瓣和背瓣受到很大的抑制。
  4. The conclusion is that inductive electromotive force, gotten from sensor with the distribution regularities of weighting function, is proportional to the average flow velocity in pipe and is not relevant to the distribution of flow velocity when flow velocity is non - central symmetry with the central axis. so electromagnetic flowmeter could solve the question of high accuracy in principles

    得出按權函數分佈規律的傳感器,在流速非中心分佈時,感應電勢僅與平均流速呈正比,而與流速分佈無關的結論,從而從原理上解決電磁流量計了高精度測量的問題。
  5. When a solid region in three - space has an axis of symmetry, the evaluation of triple integrals overis often facilitated by using cylindrical coordinates

    當空間立體區域有一個時,計算上的三積分通常使用柱坐標比較容易
  6. The results show that there are two centers of occurrence of llsw respectively in dong bei and jiang nan ; the regional torrential rain over the yangtze river basin is closely associated with llsw during the major periods of heavy rainfall ; the diurnal variation of the number of occurrence in the middle and low reaches of the yangtze river is the strongest in china there are some significant differences between llj and nallsw in positive season, spatial variation, diurnal variation and field of pressure. by the way, the important effect of inertial stability on heavy rainfall with both low level south - westerly jet and high level northerly strong flow is analyzed theoretically. the results show that the existence of the maximum of inertial stability in the left font of the low level jet is favor of the accumulation of the moist thermal energy, and conditional symmetric instability or convective instability can be expected in this region

    另外,慣性穩定性的作用以往不受視,本文通過西南低空急流左前方和高空偏北大風右後方的慣性穩定性和穩定性的理論分析和實例計算,表明慣性穩定性在伴有高低空急流的暴雨中有要意義,揭示了梅雨暴雨的一種新的高低空急流耦合機制:低空急流左前方慣性穩定度大值區的存在,有利於低層濕熱能量的積累,使低層傾斜流的不穩定發展更多期望于條件性不穩定或流不穩定;高空偏北大風(西風急流)的存在,是其右後方(右側)出現不穩定的有利條件,高空相容易出現干不穩定;慣性穩定性的作用,使低層的傾斜流更偏向於垂直方向,有利於流發展,使高層的傾斜流更偏向於水平方向,有利於高層輻散。
  7. Prof. horii has invented three new types of spiral flow generators. they are applied in area of engineering practice. in this paper, we depicted the actuality and background of this type of spiral flow, illustrated the important significance of its applications in engineering and basic theory

    日本horii教授發明的三種自發生成螺旋流的裝置引起人們研究的興趣,本文敘述了國際上此類螺旋流研究的現狀和背景,闡明了螺旋流研究在工業應用上和基礎理論上的要意義,針「環狀開口徑向進流」旋流發生裝置進行了實驗研究。
  8. Firstly, the basic character of the remote filed eddy current is simulated and analyzed in case of two - dimension axial symmetry which approves the existence of remote filed eddy current phenomenon ; the full circumferential defect model is investigated to approve the feasibility of using the rfec techniques to detect the position and depth of defect ; the pit corrosion 、 circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration

    首先,在二維情況下模擬與分析了遠場渦流的基本特性,證實了遠場渦流現象的存在;全周向缺陷的遠場渦流檢測進行了詳細研究,證實了遠場渦流檢測缺陷位置和深度的可行性;點狀腐蝕、向與周向裂紋三種非缺陷進行三維有限元模擬,利用相位差和幅值變化曲線與電壓平面極坐標圖缺陷特徵進行分析,為缺陷形狀構提供了依據。
  9. This article studies how to implement car - weighting dynamically in the situation that the sampling - time is short. the method on the base of pre - experiment knowledge is the kernel method in this article. firstly, studying the movernental and dynamical features that cars behave in the process of car - weighting - dynamically, and knowing that the vibrations are the main factors impacting the measure precision

    本文首先本體? ?汽車的運動狀態和動力特性進行了深入的分析與研究,並得出這樣一個結論:汽車的振動是影響動態效果的關鍵因素,要想使靜態載比較準確的反映出來就必須根據振動產生的原因有效的減緩和消除振動。
  10. Experimental study of the influence of gravity field on the shapes of axially symmetric steady cavity

    力場體穩定空泡形態影響的實驗研究
  11. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    一實驗電弧加熱式發動機二維亞跨超音速流動進行了數值模擬,所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些要參數,通過實驗發現氬比氮工作更穩定
  12. New reanalysis method for topology changes of axial symmetric structures

    結構拓撲變化分析的新方法
  13. Axisymmetric numerical model for original casing - eroded wells is established through hydraulic fracturing numerical simulation, and it can help to determine the relationship between distance limit from casing erosion point to fractured zone and fracturing pressure, so as to refrain from casing erosion recurrence in original easing eroded wells

    摘要為解決套損井修復后水力壓裂施工時新出現套損,以及確定套損點到壓裂層的距離界限,通過水力壓裂過程的數值模擬,建立了套損修復井的計算模型,得出了套損點到壓裂層的距離界限與施工壓力的關系。
  14. Solving axisymmetric gravitation field with electromaticstatic field by double complex method

    復數方法求解含有電磁場的引力場
  15. In this paper, we first introduce the basic background of the study of nuclear structure, some elementary knowledge about and the latest achievements in the study of the phenomena of signature inversion ( si ). then the description of the two quasi - particles plus a rotor model ( prm ) of odd odd nuclei is given. by the model we perform the practical calculations of the yrast bands of some nuclei in a 100, 130 mass region

    本文首先簡要介紹了原子核結構研究的一些基本概況以及與旋反轉現象相關的一些基本知識和奇奇核旋反轉現象的最新研究進展;然後較詳細地介紹了用於奇奇核旋反轉研究的二準粒子加轉子模型( prm ) ,著a 100 、 130質量區中的幾個奇奇核的暈帶能譜進行了實際prm計算,結合計算結果,討論了旋反轉、三形變以及反轉機制等相關問題。
  16. The important thing to know that it has an axis of symmetry ? the optical axis

    點是知道主鏡有一個? ?光
  17. Often, mode conversion techniques are used to change the undesirable mode to one that results in a radiation pattern with a boresight peak such as circular te1 1 or rectangular te 01 mode

    因此研究模式的天線輻射技術具有要意義。輻射天線的工程設計方案通常有三種:模式轉換器+普通喇叭、 vlasov天線和cobra ( coaxialbeam - roatatingantenna )天線。
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