mathematical equations 中文意思是什麼

mathematical equations 解釋
數理方程積分變換
  • mathematical : adj 數學（上）的，數理的；嚴正的，精確的。 mathematical instruments 制圖儀器。 mathematical logic...
  • equations : 方程式
  1. In other cases, a series of mathematical equations may be consolidated and simplified.

    在另外的情況中，則可將一系列數學方程式合併或簡化。
  2. But it was not until the 19th century that mathematicians such as evariste galois, an unhappy french genius, discovered symmetries hidden in the solutions to mathematical equations

    但直到19世紀數學家們才發現隱藏在數學方程解法中的對稱性，其中包括鬱郁寡歡的法國數學天才艾瓦里斯特?伽羅瓦。
  3. 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。
  4. Meanwhile, an artificial imitation rainfall system was developed in order to study the characteristics of city underlying surface and make experimental check up about the relative appraising index, on which 200 rainfall experiments are made, analyzing the effect of rainfall intensity to the runoff of underlying surface ; the relationship between runoff permeability and unit factor of rainfall intensity and duration ; the effect of rainfall intensity, duration, soil moisture content, and temperature to the runoff permeability ; the relationship between rainfall quantity and runoff permeability, and make mathematical imitation to the expe rimental results, to find the mutual - relationships, and make discussion about the differences between equations of fit

    同時，為研究城市下墊面的產匯流特性研製了一套人工模擬降雨系統，並對相關評價指標進行了實測校驗。在此基礎上，進行了200多場降雨實驗，分析了雨強、歷時、土壤前期含水量、溫度、降雨量、不同下墊面和不同覆蓋度等對產匯流的影響，及各種因素對徑流系數的影響和相關性，建立了一定條件下歷時徑流系數，雨強徑流系數，流量徑流系數的函數模型。
  5. To learn the methods of solving differential equations and vector analysis theory. also, learn to construct the mathematical model from the real world

    學習常微分方程與向量分析理論，建立問題之數學模式與求解方法。
  6. An one - dimensional non - equilibrium mathematical model was established to describe the performances of unit adsorbent bed. finite difference forms of the equations were written in matlab. a conventional test bed for investigating the inner properties of cacl2 - nh3 unit tube was developed and the real data were used to test the model

    在前人研究經驗的基礎上，建立了單元管吸附床內一維非平衡吸附條件下的傳熱傳質數學模型，提出了該模型的數值求解方法，並給出了數值模擬算例。
  7. Integral transformation mathematical equations

    積分變換及數理方程
  8. The transient mathematical equations are addressed for the coupled heat and moisture transfer by taking account of moisture accumulation procedure. an analytical method by means of the transfer function is proposed to predict the transient distributions of temperature and moisture content at different interfaces in walls. a numerical analysis approach based on an efficient finite - difference method is developed to deal with the procedure of coupled heat and moisture transfer in a multilayer wall with nonlinear boundary conditions considered

    建立了考慮濕積累過程的瞬態熱濕耦合模型，在方程中引入了濕積累項；發展了一種傳遞函數解析方法進行墻體內不同剖面處溫度和含濕量的動態預測；首次提出了一種基於有效有限差分法預測非線性邊界條件下多層多孔結構內的傳熱傳濕過程的數值分析方法，求解過程中考慮了瞬態邊界條件，從而避免了通常處理中由於邊界條件設定為常數而給計算帶來的誤差，對于多層結構每一層物性參數的非連續性，則採用了有效的有限差分逼近處理。
  9. His methodology and theory on solving mathematical equations appeared 200 years earlier than those in western europe

    方程求解方法和理論早西歐人200年，所著《古今歷法通考》為中國古代歷學史的專著。
  10. Abstract : establishment of the macro dynamic mathematical models for coked zeolite catalyst coke burning regeneration was discussed from an engineering point of view. based on the modified particle - pellet model, dynamic mathematical equations for porous and nonporous catalyst coke burning regeneration were deduced, supplying a theoretical basis for computer simulation of coked zeolite catalyst regeneration

    文摘:從反應工程學的角度討論了結焦沸石催化劑燒焦再生反應宏觀動力學數學模型的建立，根據已提出的修正的顆粒-粒子動態等溫物理模型，分別推導出了多孔焦炭的燃燒再生階段數學方程和無孔焦炭的燃燒再生階段數學方程，為結焦沸石催化劑再生反應過程計算機模擬提供了理論依據。
  11. Using high - speed computers to solve a complex set of mathematical equations that represents the governing laws, numerical weather prediction is a technique for simulating the atmospheric evolution in order to delineate the resultant weather changes

    天氣源自大氣層的變化，這些變化受物理學各種定律制約。數值天氣預報技術利用高速電腦運算代表這些定律的繁復方程組，從而得知大氣層的演變，以及相連的天氣。
  12. Then the dynamics calculating model is built from the structure of the trailer bogie. the mathematical equations are deduced and the principle of dynamics calculation is explained. the simulation model of trailer is set up by using the multiple bodies simulation program simpack

    根據研製的拖車轉向架的結構建立了拖車的動力學計算模型；推導了拖車動力學數學方程，闡述了動力學計算原理；並利用多體系統模擬軟體simpack建立拖車的模擬計算模型。
  13. 2. under the condition that the layered soil surrounding pile can be simulated with general voigt model or general maxwell model, the mathematical equations for longitudinal vibration of a pile with self - viscosity is established in the form of integral transformation, and the corresponding solution is obtained by using impedance function

    2 、分別建立了樁側土為廣義voigt模型和廣義maxwell模型條件下考慮樁身材料阻尼的成層地基中樁縱向振動的積分變換形式定解問題，並採用阻抗函數遞推法得到了相應解。
  14. By including the multipath reflections in the mathematical equations, the processor can extrapolate not only the direction of the signal but also the exact position of the user ' s cell phone

    把多路徑的反射加入數學程式之後，處理器不僅可以外推出訊號的方向，還可以算出用戶行動電話的確切位置。
  15. Front tracking method has gained sufficient development. because this method based upon the physical resolutions of the mathematical equations, it can capture the developments of the interfaces accurately and avoid the non - physical phenomenon

    該方法以數學方程物理解的性質為基礎，其最大的特點就是能夠精確捕捉到界面的發展而不會出現非物理的現象。
  16. We have deduced mathematical equations modeling its vibration and studied the stability of the semigroup associated with the equation system. we obtain the exponential stability under certain hypotheses of smoothness and structural condition of the coefficients of the system, applying the relaxation function decays exponentially. this result does not need the continuity of the damping coefficient at the interface

    對于具有局部粘彈性阻尼的高維波方程的能量的指數衰減問題， liuetal . 51 }和riveraetal . 63分別對k一v型和boltzmann型的情形進行了研究，在假設了阻尼系數是光滑的並且附加了一些結構性條件的情形下，得到了指數穩定性的結果。
  17. The information is generated by the observatory s high - speed computer using physical models and mathematical equations to simulate the evolution of weather systems. the computer simulations are presented as maps showing the surface temperature, surface wind speed and wind direction, mean sea level pressure and the state of the sky at various locations

    這些預測資料是利用天文臺高速電腦根據物理定律及數學方法計算出來的，以天氣圖顯示，內容包括地面溫度、地面風向及風速、平均海平面氣壓及天氣的大致情況。
  18. Mathml lets you model mathematical equations - imagine all the different equations you could create

    ） 。 mathml使您能夠對數學等式進行建模。
  19. After deriving the mathematical equations, a comparison between the ls and the ml estimators was performed

    在獲得了相應的數學模型后，對最小二乘估計和最大似然估計方法進行了比較。
  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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