隨機取向 的英文怎麼說

中文拼音 [suíjīqǔxiàng]
隨機取向 英文
random orientation
  • 隨 : Ⅰ動詞1 （跟; 跟隨） follow 2 （順從） comply with; adapt to 3 （任憑; 由著） let （sb do as he li...
  • 機 : machineengine
  • 取 : Ⅰ動詞1 （拿到身邊） take; get; fetch 2 （得到; 招致） aim at; seek 3 （採取; 選取） adopt; assume...
  • 隨機 : random stochasticrandom
  1. It is known that a pearlitic material is composed of numerous pearlitic colonies with randomly distributed orientations, and in each colony there are many parallel ferrite and cementite laminas arranged alternatively

    珠光體材料為兩相材料，它由大量隨機取向的珠光體團組成，每一珠光體團由包含大量鐵素體片和滲碳體片交互疊合而成。
  2. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平，本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案，第一種方案將尺寸鏈中各組成環能取的極值組合起來，自動列方程組，求解每個組合情況下的封閉環尺寸，最後比較這些結果，得出封閉環的最大最小值；第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影，之後再分析各尺寸環投影分量的增減性，並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法，綜合組成環各投影分量的增減性，然後自動列出方程組，最後根據各組成環的投影分量以及所列的方程組來確定尺寸鏈封閉環的尺寸；第三種方案以蒙特卡洛法為原理，在尺寸鏈各組成環的取值范圍內使用計算機產生大量隨機數，模擬實際大批量生產中的零件尺寸分佈情況，以更經濟更合理的方式分析、計算封閉環尺寸。
  3. The method of sobel edge detection is used to get the initial position and orientation value of optimization in order to improve the convergence speed. the iteration numbers and feature abstraction effect are compared with the method in which the initial value is randomly created

    演算法使用sobel邊緣檢測方法，給出優化初始位置和方向，以提高優化的收斂速度，針對提取特徵時的優化迭代次數和提取特徵的效果與隨機產生優化初始值的方法進行了比較。
  4. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大
  5. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光束波前畸變檢測和控制上進行了新的探索，主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究，其研究的內容和取得的成果如下：一、根據標量衍射理論，結合低頻波前畸變的高斯隨機位相分佈模型，研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響，並採用描述中頻段波前畸變的功率譜密度概念，模擬計算了它對激光焦斑旁瓣的貢獻。
  6. Main conclusions ( 1 ) the shadow prices of agriculture production factors could be calculated by using stochastic frontier production function and marginal productivity theory without the factors market ; ( 2 ) the real production cost of agriculture production could be acquired by using the opportunity cost of factors to account the benefit - cost of agriculture products ; ( 3 ) the marginal benefit of the agriculture production factors could be regarded as referent standard to weigh the amounts that government at the basic level and countryside committee take fees from farmers

    本文的主要研究結論為：利用隨機前沿生產函數技術和要素邊際生產力理論，在沒有重要農業生產要素市場的情況下，有可能測算要素影子價格；使用機會成本概念作為農產品成本收益核算的計價基礎，可以獲得農產品的完全生產成本；農業生產要素的邊際收益可以作為衡量基層政府和村集體向農民收取費用合理幅度的一種參照物。
  7. Second, i transform seismic - electrical data and volcano data worldwide from 1991 to 1999 to appropriate statistic models and analyze them by using the theories of random process and correlation. the results of the study testify that it is correlative between the seismic - electrical abnormal rectangle pulsation signals and volcano eruptions. so the study is a useful exploration for which whether we can monitor and observe worldwide volcanic activity in the whole

    接下來應用隨機過程與相關理論的知識，以1991年1月1日至1999年12月31日為統計時間段，以北京工業大學地震研究所南北方向地電脈沖儀所記錄到的地電異常矩形脈沖信號和全球范圍內的火山噴發事件為研究對象；抽取適合分析、又具物理意義的多個統計模型；並對信號模型與噴發模型間進行了詳盡的相關性分析。
  8. A cohort study is a longitudinal study in which a specific population is studied over time

    群體研究是在一段時間內對特定群體進行的縱向研究（隨機取樣） 。
  9. The game is to find a set of arrows that, when linked up end to end, leaves a gap between head and tail ( the two ends ) of 10 - 120 inch

    但一組相當接近預期結果的向量，卻極有可能被下一個隨機取樣的向量給搞砸了。
  10. Secondly, the mathematical radiation extinction model of nonspherical particle is developed based on t - matrix method, and a computer program is designed to calculate the extinction cross section, scattering cross section, absorption cross section and scattering phase function of fixed or randomly oriented axially symmetric particle

    然後根據t矩陣方法，採用回轉體微粒消光特性的計算模型編制出的相應程序，對固定取向和隨機取向的非球形回轉體微粒的消光截面、散射截面、吸收截面及散射相函數進行了計算。
  11. To study the wave field characteristics of 2 - d viscoelastic random medium, we divide up the theoretic recording sections ( vertical component ) into two different time sectors, and separately calculated and extracted the three statistical characteristics ( horizontal center frequency, vertical center frequency and relative magnitude of the wave field energy ) in the two different time sectors

    為研究粘彈性隨機介質模型中的波場特徵，我們在理論記錄（垂直分量）剖面上選取兩個時間區段；在這兩個不同的時間區段上，分別計算剖面的三個統計特徵（橫向中心頻率、縱向中心頻率、波場能量相對值） 。
  12. The structure was analyzed by x - ray diffraction. it is found that the samples are randomly origined and the structure has been changed little by doping

    用x射線衍射對它們的結構進行了分析，發現這些樣品都是隨機取向，且摻雜基本未改變材料原來的晶體結構。
  13. In chapter 2, not only some concrete prob1ems about the three - dimensional simulation model of ceramic grain growth such as the received forces of the ions in the grain, random orientation of grans and boundaxy problem, but also the design and development of simulation software are discussed

    第二章陶瓷晶粒生長模擬的三維擴展：從二維模擬模型出發，討論三維模擬模型擴展的一些具體問題如離子的受力情況、晶粒的隨機取向和邊界處理問題，最後詳細介紹三維模擬軟體的設計和實現。
  14. This paper has studied the mean attenuation, scattering, and back scattering cross sections of groups of small rotating spheroids about characteristics of microwave scattering when their rotatory axes are oriented at random in any direction in 2d plane and 3d space respectively under the condition of normal distribution, and that those physical quantities are changed with different variance, expectation and wave lengths of incident electromagnetic wave

    本文研究旋轉軸方向分別在平面內和空間中隨機取向呈正態分佈時的小旋轉橢球粒子群的平均衰減截面、平均散射截面、平均後向散射截面等微波散射特徵，以及這些物理量隨軸向分佈期望、方差及入射電磁波波長的變化。
  15. At the same time, the relationship between macro mechanical behavior and meso mechanism was investigated. polycrystalline structure was possessed by most engineering materials. under load the anisotropy of the constituent grains leads to strong inhomogeneities of stresses and strains on the grain level

    基於相同的方法，建立隨機取向晶粒集合形成的多晶有限元模型，對多晶材料的塑性行為和循環塑性行為進行研究，結果展現了多晶材料的彈性各向同性性質和塑性變形的局部化過程。
  16. According to the fluctuating property of wind, on the stochastic vibration finite element theory, some calculation formulas of the response, including the along - wind response and the across - wind response, are obtained, the ideology of the torsion vibration in the double - tower structure and the ideology of the double - tower structure ' s dynamical wind load are also put forward at the same time. by using the stochastic vibration module of the general finite element program, the paper analyses the performance of the wind resistance more deeply and fully, discussing the influence on the double - tower structure from the diversification of the different component. the variance law of dynamic displacement and wind - induced vibration coefficient is derived through analyzing structure stochastic vibration, so is the effect of several parameters on dynamic displacement, acceleration and wind - induced vibration coefficient

    從結構風振的基本理論出發，通過對脈動風功率譜的分析，推導了結構風振響應（順、橫風向）的計算公式，同時提出了雙塔結構的扭轉振動和動力風荷載計算的思想，在結合通用有限元程序的隨機振動模塊的情況下，對雙塔結構的抗風性能作了深入、全面研究，探討了雙塔結構構件截面的變化對其抗風性能的影響，同時探討了順風向風速譜的選取、風速、參與計算的振型數、風與結構耦合作用是否考慮等因素對分析結果的影響，比較了規范風振系數的計算與隨機演算法結構的異同，並討論了原因，得出一些有意義的結論。
  17. For the difficulty of getting transition probability matrixes in various directions in markov chain models, the paper presents a method to figure out it, which makes getting transition probability matrixes of different neighborhood systems of markov chain models easier and more feasible

    摘要針對在油氣儲層隨機模擬中馬爾可夫鏈模型的不同方向的轉移概率矩陣求取困難的問題，提出一種二維剖面中不同方向的轉移概率矩陣求取方法，這種方法的提出使得不同階次的各向同性和各向異性的鄰域系統的轉移概率矩陣的求取變得容易可行。
  18. The survey, using a random telephone sampling method, interviewed 512 adults from all walks of hong kong society to discover how people use chinese and western medicine, their perceptions and preferences for each type of medicine and how these perceptions and preferences might be affected by the introduction of the cmps registration system

    此項電話調查採用隨機抽樣方式進行，共訪問了五百一十二名來自本港社會各階層的成年人士，目的是探討市民如何使用中藥及西藥對中西醫藥的看法和取向，以及實施中醫注冊制度后會否影響他們對中西醫藥的看法。
  19. This paper selects the pulsating wind power density spectrum of davenport and simulates the wind speed time series and the wind load time by matlab. considering the vertical and horizontal correlation of the pulsating wind, the study make use of the time domain analysis of buffeting to carry out the transient dynamic analysis of the whole frame structure which is loaded by the random pulsating wind load. finally, in terms of the whole frame of the pipe belt conveyor, the evaluation for

    選取davenport脈動風功率譜，利用matlab模擬脈動風的風速時程曲線和風荷載時程曲線，並考慮脈動風的空間豎向和側向相關性，利用抖振時域法對整體機架結構進行隨機脈動風壓作用下的瞬態動力學分析，最後再對圓管帶式輸送機整體機架結構對環境風荷載的適應性做出評價。
  20. During the whole evolution course, the change of the relevant environment ( including the environment both outside and inside ) of higher institutions are the direct causes to push the evolution of strategic management of higher institutions in usa ; the process is problem - solving ; the role of government and some agencies is important ; and the process is the equilibrium of the adaptation to organizational logic and outside environment of higher institutions

    其演進歷程表明，高校實施戰略管理是內外部壓力共同作用的結果，高校本身的復雜性程度、高校戰略資源市場的市場化程度以及高校間資源競爭的激烈程度是推動高校戰略管理演進的直接動因；美國高校戰略管理的演進是問題取向性的，伴隨著規劃職能的不斷拓展；高校管理從規劃向戰略管理演化過程中，政府、相關社會機構發揮了重要作用；高校戰略管理的演進過程體現著適應高校組織內在邏輯與適應外部環境需求之間的協調和平衡。
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