形狀比 的英文怎麼說

中文拼音 [xíngzhuàngbǐ]
形狀比 英文
aspect ratio
  • 狀 : Ⅰ名詞1 （形狀） form; shape 2 （情況） state; condition; situation; circumstances 3 （陳述事件或...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. To demonstrate the stability of the magenta layer when the curve shape stabilizing addendum is added, tests on incubation are compared to fresh coatings.

    為了證明品層的穩定性，加一種對曲線形狀有穩定作用的化合物使老化實驗與新鮮塗層進行比較。
  2. An aircraft ' s aerofoils are shaped so that air travelling over their top surfaces moves faster than that underneath, creating an area of low pressure

    一片小翼的形狀可以是通過它上方的氣流比通過它下方的氣流速度更快，從而產生下壓力。
  3. When measuring the magneto performance parameter ， we find that the instrument which use to measure voltage and current is still the simple voltmeter and amperemeter in the national standard ， and the form of wave that we observed is anomaly. based on the measure principles, it obviously ca n ' t be used to do quantitative analysis ； because the discharge process of ignition system is quite complex, accompanies with very strong electromagnetism interference, and the ignition current and voltage are variable ， it make the measure of ignition energy become a difficult thing of ignition system performance detection

    在磁電機常規測量時，發現在國家標準中用於測量電壓、電流的儀器仍然是普通的電壓、電流表，而觀測到的波形多為不規則的形狀，根據測量原理，顯然不能用其來做定量的分析；由於點火系統的放電過程比較復雜，伴隨著很強的電磁干擾，點火電流、點火電壓都是變量，使得點火能量的測量成為點火系統性能測試的一個難點。
  4. The properties of polyurethane ionomer were studied, including calorifics, dynamic mechanism and shape memory. comparing to the liner shape memory polyurethane non - ionomer, ionomer has superior effect on shape memory behavior and water vapor permeability especially the water vapor permeability increased from 5 - 8 times of liner smp to 20 - 30 times of ionomers lastly the novel crosslinked shape memory polyurethane was synthesized, which shape recovering temperature were randomly controlled and can completely recover original shape. the properties of polyurethane were studied, including calorifics, dynamic mechanism and shape memory

    然後，在此基礎上合成了離子型形狀記憶聚氨酯材料，對其熱性能、動態力學性能、形狀記憶性能、透濕氣性能進行了研究，並與普通非離子型形狀記憶聚氨酯進行了比較，研究發現離子型形狀記憶聚氨酯具有更大的軟段結晶度、更好的形狀記憶性能、更優越的力學性能和透濕氣性能，尤其是其透濕氣性能有了非常顯著的提高，其高溫段濕氣滲透率是其低溫段濕氣滲透率的20 30倍，遠遠大於線型形狀記憶聚氨酯的5 8倍。
  5. Such a mirror - based camera obscura is simple by today ' s standards, but at the time of van eyck it would have represented the most sophisticated optical system on the planet, requiring greater precision in the shape and arrangement of the mirror and more stringent requirements for illumination than any known system

    以今天的標準來看，這種配備鏡子的暗箱並不難做，但若在范艾克的時代，卻會是全世界最尖端的光學系統，鏡子的形狀與配置所需的精確性，比當時所知的任何設備還要高，而照明上也有更嚴格的要求。
  6. 5. two criteria are put out in straw classification process. the first one is based on the proportion of length and width of object ' s bound box, and the second one is based on the circularity of object

    5針對秸稈物體的形狀特徵，提出用物體外包矩形的長寬比以及物體的圓形度二準則依次進行目標形狀判斷的方法。
  7. In the course of working, ， the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly

    與單向犁相比，其優點在於：耕地無開、閉壟，地表平整，降低了耕后整地的能量消耗，減少了地頭的空行程，因而大大提高班次生產率。為了滿足犁體梭式作業的要求，我們採用了一隻小容積雙作用的液壓油缸；同時對犁壁曲面的形狀採用了近似圓柱形的對稱設計。但經過一段時間的田間試驗，我們發現：該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重；主犁梁和油缸缸體的連接部分（即油缸底座）突然發生了斷裂，造成整個犁體無法正常工作。
  8. It is the key of ebfs, therefore, furthermore calculation about link are carried out in this thesis, introduced achieved research, summarized the affect of link on whole capability in the first, the second, numerical calculation are proceeded on link with ansys : with the purpose of discussing yielding mode critical length of link, established five different specimens ; with the purpose of discussing the influence of h / tw of web, b / tf of flange and h / b, established eighteen different specimens ; with the purpose of discussing the affect of stiffener, established four different specimens, and elaborated the affect of stiffener on link based on achieved test researches

    因此，本文對耗能梁段進行進一步計算分析，概述耗能梁段對整體性能的影響，並利用有限元程序ansys對耗能梁段進行數值計算：針對耗能梁段的屈服類型建立5種不同長度的模型，計算討論耗能梁段屈服類型的長度劃分；針對耗能梁段腹板高厚比、翼緣寬厚比以及梁段截面形狀等因素共建立了18種模型進行計算分析；針對加勁肋對耗能梁段的作用建立了4種模型，並結合已有的試驗闡述了加勁肋對耗能梁段的影響。
  9. Three kinds of trapezoid, delta and airfoil shaped vortex generators are designed based on traditional, sub boundary layer and micro - vortex generators conceptual design, to study the influence of the shape, height, aspect ratio, chordwise position, spanwise position and direction angles of vortex generators on boundary layer separation control

    （ 5 ）綜合分析研究了渦流發生器的工作原理和設計原則。根據國內外資料，研究了渦流發生器形狀、高度、展弦比、尖削比、弦向位置、展向位置和方位角等因素對附面層分離控制效果的影響。
  10. In this thesis first the research the sr - df algorithm under the arbitrariness antenna array, which is based on the algorithm of music, second the algorithm has been put into realization on the hardware, so that in the later to embattle the antenna can reference to this thesis

    本課題對比較適合的任意形狀天線陣進行了研究，在趨于成熟的music演算法的基礎上，研究任意形狀超分辨測向天線陣通用演算法，然後對該演算法進行硬體的實現。
  11. The forecast of moving distance of avalanche soils - the ratio of the heights of collapsed part and run - out of avalanche soils is related to slope shapes, avalanche sources, streamwise soil conditions, runoff on foreside, and soil moisture

    主要內容如下： ?崩塌土運動距離的預測?崩塌土流高比與斜坡形狀、崩塌源土質及沿程土質條件、坡前徑流及土層含水狀態等有關，並提出了崩塌土流高比公式。
  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. From this compare, we can know that the lunate fin has higher efficiency than the rectangle fin

    為研究尾鰭的幾何形狀對水動力性能的影響，本論文選取了矩形翼和月牙形翼進行比較。
  14. 15 doo d, sabin m. analysis of the behavior of recursive division surfaces near extraordinary points. computer aided design, 1978, 10 : 356 - 360. 16 zorin d, schr " oder p. subdivision for modeling and animation

    數字幾何處理的研究內容主要包括：幾何模型獲取曲面光順細分多解析度分析參數化網格編輯幾何壓縮形狀比較以及基於點的模型等等。
  15. This article mainly utilizes some computational methods with specific skills to solve some electrostatic field questions with quite complex boundary shape

    而本文主要運用一些帶有特定技巧的計算方法求解一些邊界形狀比較復雜的平面場問題。
  16. There are many kinds of ways to solve the electrostatic field of two - dimensional laplace ’ s equation or the poisson ' s equation, like the separation of variables, green ’ s function or alternative means. but if their boundary shapes are quite complex, it is extremely difficult to use these usual methods, and, in general, it is impossible to work out even there is such peculiar instance as analytic solution, or obtains the approximate solution

    對二維拉普拉斯方程或泊松方程的平面場的解法有多種，如分離變量法、格林函數法或者其他方法，但如果它們的邊界形狀比較復雜，用這些通常的方法求解會非常困難，即使對于存在有解析解的特殊情況，一般說來也不可能求出，而且求得的只能是近似解。
  17. With the algorithm, fairing and uniform meshes are obtained by moving each vertex in normal direction and tangent plane simultaneously. an algorithm of feature enhancing and mesh smoothing is studied. the algorithm is based on iterative use of diffusion of normals and vertices

    融入平均曲率光順思想，對拉普拉斯運算元進行改進，通過在法矢方向和切平面上同時對網格頂點進行移動調整，較好地達到模型外形光順、三角片形狀比較均勻的要求。
  18. For deriving the formula of the concrete filled steel tube short column subjected to axial compress we use the forth strength principle that is the shape energy ratio principle and get the formula when the steel gets into plastic stage

    在推導鋼管混凝土軸心受壓短柱承載力公式時，論文利用第四強度理論（即形狀比能理論）推導出鋼管進入塑性狀態時的應力公式和三向應力狀態下混凝土的破壞準則公式。
  19. The stators inner suface of vane pump is very complicated. when machining the su rface, special profile grinding machine

    葉片泵定子曲面的形狀比較復雜，修磨時往往需要專用仿形磨床。
  20. Abstract : the stator ' s inner suface of vane pump is very complicated. when machining the su rface, special profile grinding machine

    文摘:葉片泵定子曲面的形狀比較復雜，修磨時往往需要專用仿形磨床。
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