近似定律 的英文怎麼說

中文拼音 [jìndìng]
近似定律 英文
rough rule
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名1 (法律; 規則) law; rule; statute; regulation 2 (律詩的簡稱) short for lüshi 3 (姓氏) a ...
  • 近似 : approximate; similar; approach; approximation; roughness; propinquity
  1. Thus planck's law can be used as a good approximation.

    因而布朗克可以作為一個較好的計算。
  2. In the physical world there exist a number of conservation laws, some exact and some approximate.

    物理世界中存在著一些守恆,其中有些是嚴格的,有些是的。
  3. Based on the lambert - beer ' s law and considering the determination of ultramicro amounts of substances by aas, an approximate linear relationship between the transmittancy and concentration of the measured substance was derived

    摘要對原子吸收光譜法在超微量測試中,給出了朗伯比耳公式,建立了測值和透光度的變化值之間的線性關系。
  4. Stationary phase method shows that by using information along the ridge defined by the phase on transformed domain, original signal could be represented and reconstructed

    利用穩位相法的公式分析可知,脊上分佈參數包含的信息與信號瞬時頻率變化規密切相關,並且可以用來對信號進行重建。
  5. Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    在研究疲勞過程中材料強度退化規的基礎上,建立了一個強度退化模型.對其進行隨機化處理,得到控制強度退化過程的隨機微分方程.在一假設條件下,獲得了剩餘強度概率密度函數的封閉解,並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的處理方法.與試驗數據的比較結果表明,本文的模型和方法是合理的
  6. The differences in orbital morphologies due to different potentials is slighting, however, given a certain potential, for clusters that have perigalactic distance smaller than 1 kpc, some orbits may exhibit a chaotic behavior. the correlation between the metallicity of samples and the orbital morphologies is unclearly ; ( 4 ) it is found that the semi - major axis, apogalactic distance and azimuth period of 29 sample clusters are changed with their metallicity similarly, but a obvious correlation is seen between orbital eccentricity and metallicity. there is a fraction of 24 % of the sample clusters with eccentricities lower than 0. 4

    不同的引力勢模型對球狀星團軌道的具體形態影響不大,在給的引力勢模型下,當某些星團的運動軌道穿越距銀心1kpc附的區域時會出現「混沌」現象: ( 4 ) 29個樣本星團的軌道半長軸、遠銀心距和方位周期隨金屬度的變化規基本相,樣本星團的金屬度與其軌道形態之間的相關性並不明顯,然而軌道偏心率與金屬度有關,對于所選的暈族樣本星團而言,大約有24的樣本星團的軌道偏心率低於0 . 4 。
  7. The deviation value was used to characterize the inhomogeneous degree of concentration fields, and the attenuation rate with time was used to characterize the injection dispersion performance of flow field

    以此方差表徵了示蹤劑濃度場的非均勻度,其衰減規可用於量描述振蕩流場的注入分散特性。
  8. By the method of unified colored noise approximation and the transformation of noise terms in langevin equation, the corresponding fokker - planck equation is obtained. the steady state probability current is derived according to the conservation law of probability

    通過統一色噪聲和朗之萬方程中的耦合噪聲項的變換,可得到相應的福克?普朗克方程,再根據幾率守恆推導出態幾率流。
  9. Without doubt, the newtonian law very appropriately reads the moving law of the solar system

    毫無疑問,牛頓非常地描述了太陽系行星的運動規
  10. In the new method the uncertainty of the system to be controlled is normalized firstly, and then the partition of unity that is subordinated to a open covering of state variables compact set is constructed, and the approximation is realized by using its property that can approximate nonlinear continuous function with arbitrary precision, then the decentralized adaptive robust controller of complex systems and adaptive laws of approximate parameter estimation are designed

    該方法首先對被控系統中的不確性進行歸一化處理,進而構造出從屬于狀態變量的緊致域的一組開覆蓋的單位分解,利用其具有以任意精度逼非線性連續函數的性質,實現了對被控系統不確性的,然後設計了復雜系統的分散魯棒控制器和參數估計的自適應,並證明了這種控制器使被控系統的狀態及參數估計誤差一致終極有界。
  11. After the discussion of the algorithm of complexity parameters, lyapunov exponent and apen, the pressure fluctuation in fluidized beds is analyzed quantitatively. the effect of different operating conditions, such as variant gas superficial velocities, axial positions and static bed heights, is discussed

    在討論復雜性參數、 lyapunov指數、熵的演算法基礎上,對流化床壓力脈動進行量分析,討論了表觀氣速、軸向位置、靜床高等不同操作條件對混沌特徵參數的影響及其對應的動力學規
  12. We reconstructed the phase space and calculated the nonlinear parameters such as correlation dimension, the largest lyapunov exponent, approximate entropy, and l - z complexity of the data. it can be conclud from the results that the reconstruction of heart beat rate signal is strange, its correlation dimension is between 5 to 7 and have the character of fractal dimension, its largest lyapunov exponent is larger than zero, its approximate entropy and l - z complexity are obviously differ from noise. we can draw a conclusion from all above : the heart beat rate signal is n ' t simple noise, it is high dimensional chaos obeys certain dynamical law

    我們還對信號進行了相空間重構,計算了信號的關聯維數、最大lyapunov指數、熵和復雜度這幾個非線性特徵量,我們發現,心率信號的吸引子是奇怪吸引子,關聯維數介於5到7之間,具有分維的特徵,其最大lyapunov指數大於0 ,其熵值和復雜度值明顯區別于噪聲,這說明心率信號不是隨機噪聲,它是服從確性動力學規的高維混沌信號。
  13. In this paper, three correlative results are given : 1 ) the average crossing number of graph with n vertices and q edges can be signified approximately by quadratic equation of q. 2 ) the average crossing number of graphs with bigger girth is greater than that with smaller girth within given vertices and edges. 3 ) the average crossing number of r - regular graphs greater than that of non - regular graphs within given vertices and edges where n is odd or r < n / 2

    並得出相關的規: 1 ) n個頂點q條邊的單二連通分支圖的平均交叉數aac ( n , q )可地表示為q的二次多項式, 2 )在給頂點數n與邊數q的單二連通分支圖中圍長較大的圖的平均交叉數大於圍長較小的圖的平均交叉數, 3 )在給頂點數n與邊數q的單二連通分支圖中當n為奇數或r n / 2時, r正則圖的平均交叉數大於非r正則圖的平均交叉數。
  14. The system of judge selection is divided into two parts : qualification for a judge and procedure of judge ' s appointment. through the comparison and analyses of the qualification and procedure of appointment in civil law and common law countries, the author suggests that china should improve qualification standards f

    通過對各國法官培訓制度的介紹和評價,筆者認為我國的法淵源、法教育方式與大陸法系相、相,這就決了我國在法官培訓制度建設中,應以大陸法系的法官培訓制度作為基本參照。
  15. Abstract : based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    文摘:在研究疲勞過程中材料強度退化規的基礎上,建立了一個強度退化模型.對其進行隨機化處理,得到控制強度退化過程的隨機微分方程.在一假設條件下,獲得了剩餘強度概率密度函數的封閉解,並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的處理方法.與試驗數據的比較結果表明,本文的模型和方法是合理的
  16. Linear approximation of lambert - beer ' s law and its application to ultra - micro analysis by atomic absorption spectrometry

    比耳線性關系應用於原子吸收光譜法的超微量分析
  17. The normal distribution is suitable to express the daily arrival distribution. and the analytic approach of distribution parameter provides an academic base for the traffic sampling and survey at a waterway lock

    ( 2 )研究了船閘日到船的分佈規,指出其服從正態分佈,分佈參數的確方法為船閘交通量的抽樣調查提供了理論基礎。
  18. Green " s theorem is employed to find the quantity relationship among the constraints of heating rate, dynamic pressure and lift in reentry flight. the paper deduced the approximate solution of the optimal aeroassisted coplanar trajectories under the three typical constraints. the performance index to be minimized are either heat input, the total dynamic pressure, time during the atmospheric flight, the time integral of the square of the path inclination ; or maximize the time of flight during the atmospheric portion of the trajetory. an important conclusion is firstly obtained : under the three constraints above, the optimal aeroassisted coplanar transfers with the first forth kinds payoffs have the same optimal control laws

    採用格林函數法,給出了同一平面氣動力輔助變軌飛行的3種過程約束(氣動加熱率、動壓、升力約束)條件之間關系的量描述形成的飛行包絡線.由此求解了航天器同時受3種約束條件時,各種性能指標下的同一平面氣動力輔助變軌軌跡的解及相應的最優控制規.文中對解與控制規的內部結構作了細致的分析,得到了一些有益的結論
  19. We consider a neutral particle with magnetic moment antiparallel to the field. with the interaction potential energy between the magnetic moment of the particle and the magnetic field, we obtain the classical motion equation of the neutral particles in the loffe trap. in some limit conditions, by using the perturbative method, the equations may take on concise forms. of which the two equations about x and y are mathieu equations. if we properly set the parameters and have the condition a > > q > 0, we can solve the mathieu equation with the traditional wkbj method. as a new attemptation, with fourier series expansion we solve the mathieu equation and obtain the classical motion law of the neutral particles

    若阱的參數設置使得條件> > q 0成立時,我們可以利用傳統的wkbj方法求解馬丟方程。作為一種新的嘗試,本文還採用傅立葉級數展開的辦法來對馬丟方程進行求解,從而得到中性粒子在阱中的經典運動規。在研究ioffe阱對中性粒子的囚禁問題時,實際上我們更感興趣的是馬丟方程的周期解,而要想獲得這種周期解,和q必須滿足一的關系,亦即必須選擇阱的特的參數和粒子的特初始條件,對這一問題我們進行了嘗試性的研究。
  20. This paper describes the importance of strengthening the teaching of mathematical way of thinking, analyzes the mathematical way of thinking implied in the concepts of limit, derivative and definite integral and dialectically analyzes the law of the unity of opposites of different variables of the concepts in the change process

    摘要論述了加強數學思想方法教學的重要性;分析了高等數學中的極限、導數、積分概念在形成過程中所蘊涵的數學思想方法;辯證剖析概念中各個變量在變化過程中的量變與質變、與精確等對立統一規
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