first-order solution 中文意思是什麼

first-order solution 解釋
一次近似解
  • first : adj 1 最初的,最早的。2 最上等的,第一流的。3 基本的,概要的。4 高音(調)的。n 1 最初,第一;第...
  • order : n 1 次序,順序;整齊;(社會)秩序,治安;狀況,常態;健康狀態;條理;會場秩序;議事程序,日程;...
  • solution : n. 1. 溶解;溶液,溶體,溶劑。2. (補輪胎用的)橡膠水;〈美國〉藥水。3. 解決,解答 (of; for; to); 解釋;(數學等的)解法,解式。4. 免除,解除。5. 【醫學】消散,消退。
  1. By the end of 2003, wan hui da has, representing both domestic and foreign clients, submitted over 10 applications for identification of well - known trademarks, including some world famous grands like gillette, michelin, loral, zippo, etc. in the processes, wan hui da attorneys made best solution of procedures in accordance with various situations of the cases, provided detailed guidelines for the clients to collect supporting evidence, and also put all the efforts in coordinating and communicating with the relevant authorities, in order to push the cases forward smoothly. gillette is in the first batch of well - known trademark identified

    自2003年6月1日頒布的馳名商標認定和保護規定生效以來,萬慧達商標代理部即對這一課題進行了全面系統地研究,到2003年年底已為國內外客戶代理了十余件涉及馳名商標認定的案件,如「吉列」 , 「米其林」 , 「歐萊雅」 , 「美寶蓮」 , 「 zippo 」 , 「愛仕達」 , 「澳瑞特」 , 「哈啤」等等。
  2. The solution s characteristic of the elliptic type eq uat ion and the system of elliptic type equations with first order are discussed by using the methods of several complex analysis. a series new extended results of t he soutions for the system of elliptic type equations are obtained

    將一階橢圓型實方程和橢圓型實方程組轉化為橢圓型復方程和橢圓型復方程組,藉助于多元復分析的方法,研究了一階橢圓型方程和橢圓型方程組的解的特徵,得到了有關一階橢圓型方程組解的一系列新的延拓結果
  3. Monotone iteration method and upper and lower solutions were used to approach to the solution of the first - order integral boundary value problem on time scales form below and above by monotone convergent sequence

    摘要運用單調迭代方法和上下解方法構造了兩個單調序列,從上下兩個方向分別收斂到一階積分邊值問題。
  4. Ordinary differential equation, first order differential equations, 2nd order differential equations, power series solution of differential equation, laplace transform, fourier series and transform, matrix, eigen value problem, partial differential equation

    常微分方程式、一階微分方程式、二階微分方程式、微分方程式級數解、拉氏轉換、復利葉級數與轉換、矩陣、本徵值問題、偏微分程式。
  5. The main contents are as follows : ( 1 ) by employing the direct method, the soliton periodic amplification system in optical fiber link with loss is considered, and the adiabatic solution ( slowly varying portion ) and first - order correction ( rapidly varying portion ) for a single soliton case are presented

    本文的主要內容如下: ( 1 )利用直接擾動方法對周期放大系統進行了理論分析,給出孤子周期放大系統的絕熱近似解和一級修正解的積分表達式,結果分析表明孤子在放大過程中一部分能量以色散波的形式流失,而這一色散波主要由孤子周期放大系統的一級修正解來刻畫。
  6. And beginning with a perturbed nls equation, using a multi - scales perturbation expansion, we get the zero order and the first order equations, discuss the eigenstates of the operator in the equations, induct relevant " derivative states ", form the completeness of the bounded eigenstates of the associated operator in li space, and expand the corresponding parameters in the closure, get a series evolution equations of the coefficients in the expanded formulas, find the first order approximate solution by researching the evolution equations. this paper also gives the basis of this method - the completeness we have formed and the singular perturbation technique

    ) dinser方程的求解問題,討論了自伴運算元的本徵函數的正交性和完備性,介紹了尋求微分方程的近似解常用的攝動方法,並從帶有某種擾動項的nls方程出發,利用多重尺度的攝動方法得到了方程的零級近似方程和一級近似方程,通過對近似方程中運算元的特徵態的討論,引入適當的「導出態」 ,建立了運算元在l _ 2空間的特徵態的完備性。
  7. First of all, the method of fredholm alternative is used to obtain the approximate solution of the first order for the bifurcating periodic solutions of a nonlinear system with delayed velocity feedback. the bifurcation direction and the stability of the bifurcating periodic solution are also determined

    首先,用fredholm擇一方法分析了一具有時滯速度反饋的非線性振動系統的hopf分叉,得到了局部分叉周期解的近似表達式,確定了分叉解的分叉方向及穩定性。
  8. We propose a novel first - order probability logic based solution, context logic. it deals with the uncertainties in the context based on the theory of probability, while at the same time, poessing the first - order property

    一階概率邏輯可以使我們基於嚴格的概率模型來描述上下文中的不確定性和作相應的推理,同時它具有一階描述能力。
  9. Based on a long - span prestressed concrete cable - stayed bridge of a 370m central span length under construction in china, this paper introduces first - order solution and optimization algorithm to determine the rational construction state

    摘要以某大跨度預應力混凝土斜拉橋為例,採用一階分析及最優化計算方法來確定斜拉橋的合理施工狀態。
  10. In this article, we study the infinite boundary value problems for first order nonlinear impulsive differential equations with " supremum " by means of the upper and lower solution method and the monotone iterative technique, and obtain the existence theorems for their extremal solutions

    摘要應用上下解方法和單調迭代技術研究了帶有上確界的一階非線性脈沖微分方程無窮邊值問題,並獲得了其極值解的存在性結果。
  11. The resulting optimized - frequency diagnosis algorithm, based on the second - order sensitivity, helps get a solution with better accuracy. when the tolerances of normal components are ignored and partly ignored, experiment results show that the accuracy of solutions, compared to the first - order sensitivity, is improved and is further improved via combining the improved genetic algorithm with the second - order sensitivity diagnosis method

    模擬實驗表明:在不考慮正常元件容差和考慮部分正常元件容差兩種情況下,和一階靈敏度故障診斷方法相比較,二階靈敏度故障診斷方法的精度得到了顯著的改善,並且改進遺傳演算法的引入能使故障診斷方程的求解精度獲得進一步的提高。
  12. In chapter 3, the elegant hermite - cosh - gaussian beams as another special case in hermite - sinusodiol - gaussian family is introduced and its propagation properties through a first - order optical abcd system are investigated. an analytical solution of the elegant herimite - cosh - gaussian beam propagating through a first - order abcd system is derived, and correspondingly, the closed - form m2 - factor, the beam width, the curvature radius and the power in bucket are presented analytically. the numerical investigations are carried out and show that the m2 - factor of elegant hermite - cosh - gaussian beam is greater than that of elegant hermite - gaussian beams and less than that of hermite - gaussian beams approximately

    本文得到的主要結果可歸納為:首次用強度矩的方法研究了hermite - cosh - gaussia ( hchg )光束,得到了hchg光束的束寬、曲率半徑、 m ~ 2因子、瑞利距離等的解析表達式;用陡峭度和pib參數去衡量hchg光束的光束質量,找到了hchg光束在傳輸過程中影響光束質量的因素並得到了變化規律;證明了hchg光束在傳輸過程中的重心和對稱性都會得到保持。
  13. Existence and uniqueness of the solution of terminal value problem for first - order ordinary differential equation in banach space

    空間一階常微分方程終值問題解的存在唯一性
  14. The results indicate : when reduced anchoring strength a is large and = 0 or > 0, the first order transition may occur at threshold point or at saturation point ; when a is very lager and = 0 and > 0, the uniform twisted solution jumps directly to the saturation solution

    結果表明:當反映錨定強度的參量( = k _ ( 22 ) ? al )較大,且修正參量= 0或0時,在閾值點或飽和點可以發生一級轉變。當很大,且修正參量= 0或0時,還會發生均勻扭曲解直接轉變為飽和解。
  15. The global classical solution of the mixed initial - boundary value problem for a kind of the first order quasilinear hyperbolic system

    一類非齊次擬線性雙曲型方程組混合初邊值問題的整體經典解
  16. By means of the existence and uniqueness of semi - global c1 solution to the mixed initialboundary value problem with general nonlinear boundary conditions for first order quasilinear hyperbolic systems with zero eigenvalues, we establish the local exact boundary controllability for second order quasilinear hyperbolic systems with general nonlinear boundary conditions

    本文利用具零特徵的一階擬線性雙曲型方程組帶一般非線性邊界條件的混合初-邊值問題的半整體c1解的存在唯一性,對具一般類型非線性邊界條件的二階擬線性雙曲型方程組建立了精確邊界能控性
  17. Instruction about first order analysis method of frames is given by most of the current textbooks on mechanics of structure, and this method is generally used by civil engineers in calculating the internal forces of the frames, however, as the first order analysis does not consider of the additional internal forces caused by the global lateral displacement of the frame, the solution given by this way is obviously not very accurate and safe

    目前的結構力學教材一般只講授框架的一階內力分析方法,建築結構設計人員也普遍採用一階的分析方法對框架進行內力分析。而框架的一階內力分析未考慮因整個框架側移引起的內力附加值,這個結果顯然是不夠精確且偏於不安全的。
  18. In this paper, these two methods are employed to consider three kinds of singular perturbation boundary value problems. in the first section, the existence of solution for a class of non - linear systems with three - point boundary problem is obtained by applying the differential inequality theory. in the second section, we use the differential inequality theory to discuss the non - monotone interior layer solution for one kind of singularly perturbed quasilinear boundary value problems with a turning point. in the third section, the diagonalization method is applied to study the existence of solution for a class of vector differential systems with two - point or three - point boundary problems. meanwhile, the asymptotic estimate of the solution as well as its first - order derivative and its second - order derivative is obtained

    在第一部分中,我們應用微分不等式理論證明了一類非線性系統三點邊值問題解的存在性;在第二部分中,運用微分不等式理論研究了一類帶有轉向點的擬線性奇攝動邊值問題的非單調內層解;在第三部分中,利用對角化方法研究了一類向量二點或者三點邊值問題解的存在性,並獲得解及它的一、二階導數的漸近估計。
  19. Beyond the usual method, the one dimensional equation was expressed in the form of ( the equation is abbreviated ), which then was introduced by middle varible ( the equation is abbreviated ), so that the same solution of initial value problem by the characteristic curve method of the first order equations ( the equation is abbreviated ) and ( the equation is abbreviated ) was abtained

    摘要對一維非齊次波動方程的始值問題在傳統的疊加原理、達朗貝爾公式、齊次化原理的方法之外,完全用特徵線方法,先將方程表示為(方程式略)的形式,進而引入中間變量(方程式略) ,得以用一階方程(方程式略)的特徵線方法,推導出維該始植問題的與傳統方法相同的解。
  20. Chapter three, we consider the forced first order difference equations with variable coefficients, and obtain some necessary and sufficient conditions for every solution of the equations is oscillatory or tends to zero

    第三章建立了帶有強迫項的一階變系數中立型差分方程解振動或趨于零的充分必要條件。
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