symmetric equation 中文意思是什麼

symmetric equation 解釋
對稱式
  • symmetric : adj. 對稱的，勻稱的，相稱的，平衡的。adv. -rically
  • equation : n. 1. 平衡，均衡；平均，相等。2. 【數學】方程式，等式。3. 【天文學】（時）差；均分，等分。4. 【化學】反應式。
  1. Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model

    第二，討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據，發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大，這有利於對稱不穩定的發生。第三，採用f平面、非靜力平衡、濾聲波模式，討論了中尺度垂直環流非線性攝動分析及演變方程。
  2. The centro - symmetric solutions of matrix equation a txa

    的中心對稱解及其最佳逼近
  3. The symmetric orthogonal anti - symmetric solution of linear matrix equation atxa

    的對稱正交反對稱解及其最佳逼近
  4. The anti - symmetric orthogonal anti - symmetric solution of a linear matrix equation and its optimal approximation

    一類矩陣方程的反對稱正交反對稱解及其最佳逼近
  5. According to the physical model, a mathematical model and computational method were proposed. an axially symmetric transient thermal conduction equation was put forward, which included material pyrolysis, pyrolysis gas flow and chemical reaction in charred layer. chemical reaction was controlled by chemical dynamics, and the reaction rate was computed using arrhenious equation

    針對物理模型提出了相應的數學模型和數值計算方法，在材料內部建立了二維軸對稱的非穩態導熱控制方程，其中加入了材料熱解、熱解氣體流動以及炭化層內的化學反應等因素的影響，化學反應由化學動力學控制，通過arrhenius公式確定其反應速率。
  6. ( 2 ) based on the wave equation in the acoustic fluid space and the theory of thin - wall structure, the non - symmetrical coupled structure - acoustic dynamic equation without damping is studied. the non - symmetric system of the finite element model for coupled structure - acoustic response is solved by the conjugate subspace iteration method

    由聲空間波動方程和薄板理論出發，對聲場?結構耦合系統的模態分析提出了有限元數值方法，採用共扼子空間迭代法對非對稱特徵方程進行處理，採用靜凝聚法消除質量矩陣的奇異性。
  7. First, we concisely recall the formation and development of bose - einstein condensa - tion ' s theory and it ' s experimentation. secondly, we briefly intro - duce some properties of weakly interactive bose gases, and derive the nonlinear gross - pitaevskii equation that is the condensate macroscopic wave function ' s equation. thirdly, we give a exam - pie, an approximation analytical solution of the gross - pitaevskii equation in a spherical symmetric harmonic trap is derived by a perturbation theory approach, this solution is consistent with that numerically obtained

    全文共分為四章：第一章首先簡要的介紹和回顧了玻色-愛因斯坦凝聚理論的產生和發展，以及其實驗研究的過程，然後著重介紹了弱相互作用的玻色氣體的一些性質，並推導出了凝聚體宏觀波函數滿足非線性的gp方程，還以球對稱的諧振子勢為例，用標準的微擾方法求出了定態的gp方程近似解，發現其與已知的數值結果符合得很好。
  8. In this paper, using the fundamental theorems about the existence of the characteristic value of the symmetric integral equation, we prove another two important theorems

    摘要本文利用對稱式方程特徵值存在基本定理證明了關于對稱式積分方程特徵值存在性的兩個重要結論。
  9. By means of discussing plane symmetry that relates to point, curved surface and curve in a three - dimensional space, this paper gives a method to study point 、 curved surface 、 plane symmetric point on a curve 、 symmetric curved surface and symmetric curve equation

    摘要討論了三維空間中，點、曲面、曲線關于平面的對稱問題，從而給出了求點、曲面、曲線關于平面對稱的對稱點、對稱曲面、對稱曲線方程的方法。
  10. From a nonlinear equation with boussinesq similarity on the f plane including friction dissociation and using a new kind of general energy as lyapunov function, we got the nonlinear subcritical symmetric instability criterion which a new kind of symmetric stability criterions. the nonlinear subcritical symmetric instability indicates that the larger amplitude disturb may cause the its instability to increase and then excite the mesoscale rainstorm

    非線性亞臨界對稱不穩定判據是從含摩擦耗散的f平面上boussinesq近似下的非線性方程出發，以一種新的廣義能量作為lyapunov函數，導得的一種新的對稱穩定性判據，理論指出較大振幅的擾動可能出現非線性亞臨界對稱不穩定增長，從而激發中尺度暴雨擾動的生成。
  11. At last, on several linear manifolds, the conditions for the existence of and the general expressions of the symmetric, skew - symmetric and symmetric semi - definite solution of the linear matrix equation f3 ( x ) = 0 are discussed. and the related optimal approximation solutions are obtained

    最後討論了六類線性流形土矩陣方程兒（ x ） = o分別具有對稱解，反對稱解和對稱半正定解的條件，得到了方程和l一s問題解的通式，同時解決了解的最逼近問題
  12. Least squares symmetric and skew - symmetric solutions of the matrix equation axat bybt

    的對稱與反對稱最小范數最小二乘解
  13. The least - squares skew - symmetric solution and the optimal approximation on a class of generalized sylvester equation

    方程的反對稱最小二乘解及其最佳逼近
  14. 6. the necessary and sufficient conditions for the existence of and the general expressions of the skew - symmetric solution of the lyapunov equation f7 ( x, y ) = 0 are obtained, and the related optimal approximation problem is solved

    6 .得到了廣義lyapunov方程人（ x ， y ） = o具有反對稱解的充分必要條件，解的通式及解的最佳逼近問題的解
  15. The minimal norm solutions of the equation f4 ( x ) = 0 over srmxm are derived, and also the necessary and sufficient conditions for the existence of and the general expressions of the skew - symmetric solution of the equation f4 ( x ) = 0 are obtained, the related l - s problem f4 ( x ) = min is solved. 5. the necessary and sufficient conditions for the existence of and the general expressions of the skew - symmetric solution of the generalized sylvester equation f5 ( x, y ) = 0 are obtained, and the related optimal approximation solution is obtained, too

    得到了矩陣方程f _ 4 （ x ） = 0在sr ~ （ m m ）上的極小范數解，同時導出了此方程具有反對稱解的充分必要條件和解的通式，解決了相應的l一s問題人（ x ）二min . 5 .得到了廣義sylvester方程兒（ x ， y ） = 0具有反對稱最小二乘解的充分必要條件和解的通式以及解的最佳逼近問題的解，導出了幾（ x ， y ）二0具有置換對稱解的充分必要條件，解的通式及解的最佳逼近問題的解
  16. Symmetric, antri - symmetric solutions of matrix equation axat

    的對稱與反對稱解及其應用
  17. Symmetric semipositive definite solutions to matrix equation axat bybt

    范數對稱正交對稱解
  18. The symmetric ortho - symmetric solution of minimum frobenius norm of matrix equation axat

    的對稱最優解及最佳逼近
  19. In this thesis, a 2 - d axial symmetric n - s equation was solved by using steger - warming flux splitting, muscl, b - l model and finite volume method to simulate an experiment, which was to observe explosion phenomenon

    本文用steger - warming分裂和b - l湍流模型的有限體積演算法求解二維軸對稱navier - stokes方程，數值模擬了錐形激波管中爆炸波運動和爆炸波正壓和負壓脈沖。
  20. The explict structure of solution of a class of symmetric variational equation by stationary topy

    一類平穩型對稱變分方程解的顯式結構
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