約化偶 的英文怎麼說

中文拼音 [yāohuàǒu]
約化偶 英文
reductive pair
  • 約 : 約動詞[口語] （用秤稱） weigh
  1. The cherishing and training of some trees ; the cautious pruning of others ; the nice distribution of flowers and plants of tender and graceful foliage ; the introduction of a green slope of velvet turf ; the partial opening to a peep of blue distance, or silver gleam of water ; ? all these are managed with a delicate tact, a pervading yet quiet assiduity, like the magic touchings with which a painter finishes up a favorite picture

    欹斜之樹須正，修枝去葉，刪繁就簡，所得可謂奉若至寶；枝葉婆娑，花葉相映，令人賞心悅目；坡草青青，宛若天鵝絨地毯，光滑細膩；茂林之中偶露一隙，遠處藍天隱約可見，或現一池春水，碧波蕩漾? ?凡此種種，皆為人工造化，潤物無聲，猶如畫師當其畫稿殺青之際得一神來之筆，渾然天成。
  2. John richard grieco is an assassin - for - hire afflicted with claustrophobia. he accidentally meets a gentle girl named susan and fall in love with her

    患有幽閉恐懼癥的職業殺手冼約翰李察基高飾，偶遇善良溫柔的素珊maggie q飾，心中的冰雪被她融化。
  3. Female mice serum and vaginal secretion antibodies, their fertility and the pathological changes were determined. on the other hand, the effects of the anti - serum against synthetic peptide on the sperm - egg interaction during ivf and the location of p3 peptide in sperm were watched. the main results and conclusions were as follows : 1 ) the new antigen p3 peptide which harvested from the 430a peptide synthesizer were verified by the mass spectrograph and hplc, that the ratio of mass / charge of the synthetic peptide was equal to the molecular weight in theory and its purity was above 95 %

    本研究的主要結果和結論如下：一、經抗原分子設計，在430a自動肽合成儀上合成的新抗原p3 ，經質譜儀分析證明其荷質比與理論一致；純化后，其純度大於95 ；將新抗原與klh偶連后免疫小鼠，經westernblot證實其誘導的特異性抗體可識別小鼠、大鼠、人睪丸組織中分子量約為22kd和55kd左右的蛋白質。
  4. Normally, we try to get the dual form of mathematical programming to change primary programming, which is difficult to be solved into its dual programming, which is easily to be solved. after we had got the dual form of two programming, we found their form were very simply because they had only nonnegative and linear constraints

    通常，我們求出規劃問題的對偶形式是希望將不易求解的原問題轉化為易於求解的對偶問題，在分別得到這兩類問題的對偶形式后，發現其形式簡單，只帶有非負約束和線性約束。
  5. According to the dual theory, a simple geometric programming was proposed to derive a corresponding geometric dual problem instead of cross - entropy optimization problem with cross - entropy constrains, which is a concave programming one with linear constrains, leading to a simpler calculation

    根據對偶理論，提出了一個簡單的幾何規劃，該方法把一個帶有叉熵約束的叉熵優化問題轉化成了一個對偶規劃，而對偶規劃是一個只需要解決一個帶有線性約束的凸規劃問題，比較容易計算。
  6. Let ' s examine the way the book cites a few idols of western culture

    且書中引用的幾位西方文化偶像來約略比一比異同。
  7. On lie superalgebras with reduced even part

    具有約化偶部的李超代數
  8. Little is known about how to control anpsp due to lack of the related theory and practical experience. especially there is no satisfactory measure to reduce the runoff and leaching of n and p from agriculture into rivers and lakes. it ' s very significant in both theory and realism to reduce agricultural non - point source pollution and protect our ecological environment for realizing the harmonious development of resource, environment and agriculture in china

    農業面源污染是困擾我國社會、經濟持續發展的一個嚴重的環境問題，主要是由於農業面源污染具有量大面廣、分散的特點，並受自然條件突發性、偶然性和隨機性的制約，現階段我們對農業面源污染情況的了解程度遠遠不如點源污染，還缺乏整治的相關理論基礎和實踐經驗，減少污染物尤其是氮、磷營養的排放具有相當大的難度，因此控制農業面源污染、保護和優化生態環境對實現我國資源、環境和農業協調發展有重要的理論和現實意義。
  9. 2. for the problem with size, stress and displacement constraints, the stress constraint is transformed into movable lower bounds of sizes, the displacement constraint is transformed into an approximate function which explicitly includes design variables by using mohr integral theory. a mathematical programming model of the optimization problem is set up. the dual programming of the model is approached into a quadratic programming model

    2 .對于尺寸、應力和位移約束的問題，將應力約束化為動態下限，用單位虛荷載方法將位移約束近似顯式化，構造優化問題的數學規劃模型，將其對偶規劃處理為二次規劃問題，採用lemke演算法進行求解，得到滿足尺寸、應力和位移約束條件的截面最優解。
  10. Chapter 4 studies the techniques for numerical realization of the dual algorithms and generalization of the dual algorithms to general unconstrained nonlinear programming. at first, we construct modified dual algorithms to overcome the drawback that it needs to resolve a sequential unconstrained minimization problems exactly in the step 2 of the dual algorithms in chapter 2 and chapter 3

    首先針對前兩章的對偶演算法由於需要精確求解一系列無約束極小化問題，因而實際計算中很難實現這一缺點，構造修正的對偶演算法，即，關于勢函數的無約束極小化問題無需精確求解的對偶演算法。
  11. The final result of the vrpo is gotten by alternatively solving the two sub - problems together

    採用原對偶路徑跟蹤法求解逐次線性化的電容器投切優化問題時，適當簡化電壓約束，提高了求解速度。
  12. Nonlinear programming which is considered to be recreation of the finite dimension optimization classical theory is a very important and active branch of opsearch. characteristic of nonlinear programming lies in : allowance of complex constraints on the optimization it studies, deep analysis of optimality and duality, emphasis on summarizing theorem and establishment of feasible algorithm

    非線性規劃是運籌學數學理論中特別重要而又活躍的一個分支，可認為它是有限維最優化經典理論的再創造，其特徵主要在於：所研究的最優化問題允許復雜的約束，對最優性、對偶性諸方面進行深入的分析，並強調進行理論概括和提出可行的演算法。
  13. This dissertation studies mainly theories and according numerical implementation of a class of dual algorithms for nonlinear optimization problems, including unconstrained minimax problems and constrained nonlinear programming problems

    本文主要研究非線性優化中的一類對偶演算法，包括無約束極大極小問題的對偶演算法和約束非線性規劃問題的一類對偶演算法的理論與相應的數值實現。
  14. During the accelerated thermal aging and ultraviolet radiation aging of pmma which is used as the core materials of fiber in pof, it was found that the relative permittivity of pmma decreased significantly to approximately equal to its square refractive index

    摘要實驗中觀察到用作塑料光纖纖芯材料的純有機玻璃（聚甲基丙烯酸甲酯）在加速熱老化和紫外老化過程中其相對電容率急劇下降至大約等於其折射率的平方，即有機玻璃由極性聚合物變為非極性聚合物（ 「全去偶極子極化」現象） 。
  15. It is difficult to analytically solve the inequality constrained nlps in the dual space, due to the linear lagrangian. a perturbed ( regularized ) lagrangjan approach is proposed, which provides an analytic solution of the dual variables in terms of primal variables

    然後針對帶不等式約束的非線性規劃問題，給出一個lagrange正則化（攝動）方法，該方法有效地克服了線性lagrange函數難于在對偶變量空間直接求解的困難。
  16. The stress and local stability constraints are transformed into movable lower bounds of sizes. an inverse variable xt = ? is inducted, and the objective function is expanded as second order taylor approximation while the displacement constriction is expanded as first order taylor approximation. the lemke algorithm is used to get the final design result

    把復雜的應力約束和局部穩定約束轉化為動態尺寸約束，引入倒變量x _ i 1 / a _ i將目標函數展開為二階近似，將位移約束用莫爾積分化為一階近似，用對偶規劃方法將原問題化為等價的二次規劃問題，調用lemke演算法，求得最優設計結果。
  17. Comparing with uncovered antennas with the same gap size, the covered antenna has higher breakdown voltage at the same optical exciting power, and it ' s thz out put is 1. 5 times of uncovered antenna

    與未鈍化的光電導偶極天線相比， si3n ;鈍化過的光電導偶極天線耐壓能力顯著提高，其輻射功率約為未鈍化天線的1 . 5倍。
  18. Chapter 2 establishes the theoretical framework of a class of dual algorithms for solving nonlinear optimization problems with inequality constraints. we prove, under some mild assumptions, the local convergence theorem for this class of dual algorithms and present the error bound for approximate solutions. the modified barrier function methods of polyak ( 1992 ) and the augmented lagrange function method of bertsekas ( 1982 ) are verified to be the special cases of the class of dual algorithms

    第2章建立求解不等式約束優化問題的一類對偶演算法的理論框架，在適當的假設條件下，證明了該類演算法的局部收斂性質，並給出近似解的誤差界，驗證了polyak （ 1992 ）的修正障礙函數演算法以及bertsekas （ 1982 ）的增廣lagrange函數演算法都是這類演算法的特例。
  19. The entropy evolution of a pair of atoms interacting with a single - mode vacuum field is investigated by using the quantum reduced entropy, and the influence of the atomic dipole - dipole interaction on the field entropy evolution is discussed

    摘要用量子約化熵研究了雙原子與單模真空場相互作用系統的場熵演化，並討論了原子偶極偶極相互作用對場熵演化的影響。
  20. The entanglement properties of a single - mode vacuum field interacting with a pair of atoms are investigated by using the quantum reduced entropy, and the influences of the atomic dipole - dipole interaction on the degree of the entanglement are discussed

    摘要用量子約化熵研究了單模真空場與雙原子相互作用的糾纏特性，討論了原子偶極偶極相互作用對其糾纏度的影響。
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