近似方程的英文

• approximate equation

• 近似    approximate; similar; approa ...
• 方程    equation
• 近似方程式    approximation function
• 近似方差    approximating variances
• 近似方法    approximate method; approximation method
• 近似方位    apparent azimuth; rough bearing
• 近似方差函数    approximate variance function
• 近似法 近似方法 尝试法    approximationmethod
• 比率估计的近似方差    approximate variance of the ratio estimate
• 方程的近似解    john slater douglas rayner hartree
• 差分方程近似值    difference equation approximation
• 基于非对称等效积分弱形式的近似方法边界    boundary eleme-nt method em
• 常微分方程近似解析解    approximate analytic solnary differential equation; approximate analytic solution of ordinary differential equation
• 近似    approximate; similar; approach; approximation; roughness; propinquity 和 ... 有些近似 be somewhat similar to ...; 一个与真实生活极为近似的情况 a situation that closely approximates real life; 烯空气跟空气十分近似。 olefin gas closely approximates air. 我和他的看法近似。 my opinions are similar to his.; 近似成本 approximate cost; 近似度 degree of approximation; 近似计算 approximate calculation; approximate treatment; numerical evaluation; proximate calculation; analog computation; 近似值 approximate value; approximation; approach
• 相似方法    analogy; method of similitude
• 相似方阵    similar square matrices
• 方程    [数学] equation 三次方程 cubic equation; 高次方程 equation of higher degree; 线性方程 linear equation; 把方程式简化成 ... reduce the equation to ...; 物态方程 equation of state; 化学方程 chemical equation
• 近似；近似法；近似值    approximation
• 开发模似方框图    development simulator flowchart
• 近似近似值    approximation
• 近似量, 近似值    approximate quantity
• lcao近似    lcao approximation
• wkb近似    wkb approximation
• 粗近似    rough approximation
• 大约，近似    approx approximately

• Especially , the second part of the computing the backscattered field is given . 5
  在利用kirchhoff远场近似方程计算后向散射系数时,给出了计算该公式第二部分的方法。
• Since using forth - order approximations , they save computer storage and are convenient to implement
  由于采用四阶近似方程，在保证计算精度的前提下，该方法具有节省计算工作量和易于实现的特点。
• The main achievement of the paper is that the nnlse is simplified to a linear equation . it is found that we can controll a weak beam ' s phase to experience a very large phase shift within a rather short propagation distance by modulating the input power of a stronger soliton beam
  本论文的主要贡献是：把光束的传输方程nnlse简化成一线性形式的近似方程，发现可以通过调节强孤子光束的功率来控制另一弱光的相位并能使之在极短的传输距离内产生大的相移。
• 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方程的求解问题，讨论了自伴算子的本征函数的正交性和完备性，介绍了寻求微分方程的近似解常用的摄动方法，并从带有某种扰动项的nls方程出发，利用多重尺度的摄动方法得到了方程的零级近似方程和一级近似方程，通过对近似方程中算子的特征态的讨论，引入适当的“导出态” ，建立了算子在l _ 2空间的特征态的完备性。