數學方程組 的英文怎麼說

中文拼音 [shǔxuéfāngchéngzǔ]
數學方程組 英文
mathematical system of equations
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 組 : Ⅰ名詞1 （由不多的人員組成的單位） group 2 （姓氏） a surname Ⅱ動詞（組織） organize; form Ⅲ量詞（...
  • 數學 : mathematics
  1. Enlightened by how the people ' s activities divided in philosophy, the activities in the activity - teaching view was divided into the following four kinds : activity emphasizing on practice, on cognition, on a estheticism, and association activity loaded by the former three kinds of activities. the writer discusses the purpose, the content and the teaching organization in each of the former three kinds of activities, on association activity, the writer discusses the necessity to carry on it, and put forward some suggestions on organizing the association activity

    第三部分新數學課程中活動教學的實施本部分主要受哲學對人類活動類型劃分的啟發，把活動教學視野中的活動劃分為側重於實踐的活動、側重於認知的活動、側重於審美的活動和以實踐、認知、審美為載體的交往活動，對前三種活動分別從活動的目的、活動的內容、活動的教學組織三個方面展開論述。而對于以實踐、認知、審美為載體的交往活動則從開展交往活動的必要性及交往活動的教學組織兩個方面展開論述。
  2. Secondly, a mathematical model suitable to large coastal region is developed, whose governing equations are deduced from the mild slope equation with dissipation terms and discretized with crank - nicolson scheme. this model is accurate and easy to be applied

    其次，將包含底摩阻耗散項的緩坡方程化為等價的控制方程組，採用crank - nicolson格式離散方程組，建立了適宜於大范圍水域內波浪傳播的數學模型。
  3. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。
  4. I remember as a, as a mathematics student, thinking, well, you know, where am i ever gonna use simultaneous equations

    我記得學生時代學數學時我就想過，究竟什麼地方才能用得上解聯立方程組。
  5. Yurong chen, dayong cai. inexact overlapped block broyden methods for solving nonlinear equations. applied mathematics and computation, 136 （ 2 - 3 ） （ 2003 ） 215 - 228

    陳玉榮.大型非線性方程組的演算法及在電力系統中的應用： [博士學位論文] .北京：清華大學數學科學系. 2002
  6. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章，取得的主要成果及創新點如下： （ 1 ）首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理，在考慮如下物理過程和參量的基礎上：光與物質的雙光子相互作用； stokes光的傍軸衍射； langevin （郎茲萬）噪聲源；晶體表面反射和端面反射；增益系數、光束口徑、脈寬和三倍頻光能量密度，推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  7. 2005, 24 : 561 - 566. 77 botsch m, bommes d, kobbelt l. efficient linear system solvers for mesh processing. lecture notes in computer science, 2005, 3604 : 62 - 83

    本文還將簡單的介紹數字幾何處理中常用數值方法求解大型稀疏的線性方程組，幫助初學者實現和掌握一些基本的數字幾何處理方法。
  8. The differential equations of rigid body compound motion in analytical form were derived. the approach to solve dynamics equations one by one and corresponding means to analyze drive force were submitted, which was the basis for further study on kinematics and dynamics of the mechanism

    著重論述了反三角函數唯一值的求解方法，推導了解折形式的剛體復合運動微分方程，提出動力學方程組逐次求解的方法和與之配套的驅動力分析方法，為后續的運動學和動力學分析奠定基礎。
  9. Component - based debugging is a new structural analysis approach that addresses this problem by analyzing the structure of each component in a model to separately locate faulty components. the analysis procedure is performed recursively based on the depth - first rule. it first generates fictitious equations for a component to establish a debugging environment, and then detects structural defects by using graph theoretical approaches to analyzing the structure of the system of equations resulting from the component

    該語言採用數學方程統一不同領域的模型描述，支持基於組件的陳述式非因果建模，使得可以在一個統一框架內組合不同領域的模型組件構造系統模型，具備模型重用性好便於數據交換建模簡單等許多優點，非常適合於復雜多領域物理系統建模。
  10. On the numerical methods for the discrete - velocity kinetic equations i. semi - implicit difference scheme

    離散速度動力學方程組的數值方法研究半隱式差分格式
  11. It has all kinds of generating wave tools such as through mathematic formula, through waveform storage, input special points and insert other points. in other hand, it has many edit and process methods, for example, user can draw wave by hand, make arithmetic process, and can add window, filter wave, smooth wave etc. so it help us create all sorts of waveforms

    波形生成方式有包括數學方程式產生波形、波形庫產生波形、導入數據文件產生波形等多種靈活多樣的方式；手動繪制波形、波形段序列組合、算術處理、加窗、濾波、平滑等編輯處理功能大大豐富了軟體的內容，使得儀器能夠根據需要產生各種常規波形及非常規波形。
  12. In this work, we detailedly introduced the whole ideas of rkdg finite element method and the theory of constructing gas - kinetic schemes based on boltzmann equation. and then presented a kind of new computational method for solving id and 2d compressible euler equations, i. e. firstly, we discretize euler equations in the space with discontinuous galerkin finite element method ; secondly, we discretize temporal variable t with runge - kutta formula ; thirdly, for numerical fluxes constructing, we give two kinds of different numerical fluxes - kfvs and bgk numerical fluxes by using gas - kinetic schemes

    本文分別對rkdg有限元方法的整個思想和基於boltzmann方程的分子動力學格式的構造思想給予了詳細的介紹，並分別結合rkdg有限元方法與kfvs數值通量和bgk數值通量的構造方法，給出了一種求解一維、二維可壓縮流體力學方程組新的計算方法，即，我們先用間斷有限元方法進行空間離散，然後再對所得到的半離散格式使用runge - kuttatvd方法進行時間離散，得到全離散格式。
  13. In the studying of the dielectric recovery mechanism, the dielectric process of high - power repetitive gas switches was analyzed theoretically, the conditions of full recovery of dielectric capability, and some qualitative results were obtained. then, a dynamic mathematical model of the dielectric recovery process was made, and a group of equations, including mass conservation equation, momentum conservation equation, energy conservation equation and state equation, were built. also, a mathematical model of the dielectric recovery process of a axially - blown gas spark gap, and a group of simplified hydromechanical equations were made

    在絕緣恢復機理研究中，首先對高功率重復氣體火花開關絕緣恢復過程進行了理論分析，提出了開關絕緣強度完全恢復的判據，得到了一些定性結論；然後建立了一般吹氣式氣體火花開關絕緣恢復的動態數學模型，得到了包括質量守恆方程、動量守恆方程、能量守恆方程和狀態方程等的一個完備方程組；建立了縱吹式氣體開關絕緣恢復過程的數學模型，得到了一個簡化流體力學方程組。
  14. The main methods of this thesis are as following : chaotic time series is created by dynamics equation, then use gp algorithm to calculate embedding dimension and mutual information algorithm to calculate delay time. based on takens embedding theorem, the method utilizes the observed values of single variable of chaotic system to reconstruct phase space

    論文首先求解動力學方程組產生混沌時間序列，然後用gp演算法確定嵌入維數、互信息法求出延遲時間，再根據takens嵌入定理，利用混沌系統的單變量觀測值對混沌背景重構相空間。
  15. Numerical simulation is a very important aspect for this research, in which the main task is to solve the system of radiation hydrodynamic equations, especially, we usually do this task using lagrangian coordinates, and in this case the numerical treatment of three - temperature energy equations is a main difficulty

    數值模擬是這項研究的非常重要的手段，其核心內容是求解輻射流體力學方程組，而其中三溫能量方程的數值處理又是在lagrange坐標下求解輻射流體力學方程組的主要難點之一。
  16. Abstract : in this paper chaos theory is used to study the predict ion methods of crack in concrete gravity dams. the equations of dynamics for crac k evolution are founded. with the reconstruction in phase space, the formulas of r elative dimension d2, representing the dynamic characteristics of crack, are obta ined

    文摘:在探討用混沌與分形理論研究混凝土大壩裂縫演變機理的基礎上，建立了裂縫演變的動力學方程組，通過相空間重構，得出顯示裂縫動態特性的關聯維數d2的表達式
  17. The main contents of this dissertation are as follows : ( 1 ) according to the set of equations governing the pr process, index changes in pr crystals induced by writing beams with different intensity profiles are theoretically analyzed and numerically simulated

    所開展的工作以及得到的結論如下：從光折變動力學方程組出發對光折變晶體中光致折射率變化進行了理論分析，並建立了由寫入光的強度分佈得到光致折射率變化分佈的數值模擬方法。
  18. Small perturbation assumption was applied to linerarize the nonlinear equations at some trim points, then the stability of the system can be decided through eigen values analysis

    模型由包括吊掛物在內的多個部分組成，以機體運動為主運動方程，吊掛物運動為輔助方程，考慮到各部分之間的耦合，為非線性數學方程組。
  19. The numerical simulation models for the three - dimensional wind field and concentration field are set up through solving the equations of atmospheric dynamic - thermodynamics and diffusion equation for a complicated terrain, which are verified by combining the practice of yunnan kaiyuan electric power plant

    通過術解復雜地形上的大氣熱力- -動力學方程組及擴散方程，建立了三維的風場、濃度場的數值模擬模式，並以雲南開遠電廠為例對模式進行了驗證。
  20. The numerical methods utilized in solving the set of mathematical equations involve calculating the spatial rate of change of variables, which means a priori grid point value information along the boundary outside the model domain has to be separately provided to set up time - dependent boundary conditions for computing the governing equations

    ：計算有關數學方程組的數值方法，牽涉到變數在空間的分佈變化，故此亦需要另外提供模式范圍以外的網格點值，從而按時間設定邊界條件，以完成基本方程組的運算。
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