second approximation
英 [ˈsekənd əˌprɒksɪˈmeɪʃn]
美 [ˈsekənd əˌprɑːksɪˈmeɪʃn]
网络 二级近似
双语例句
- Compared these results with other inert atom scattering, the results show that the second Born approximation succeed in explaining electron and heavy inert atom scattering in laser field.
并对计算结果进行了分析，对比电子与其它惰性原子散射过程，表明用二阶玻恩近似理论解释在激光场下电子与较重惰性原子散射也是比较成功的。 - The aerodynamic force is solved with the second order approximation method for transonic small disturbance potential flow.
跨音速和超音速空气动力学用跨音速小扰动势流的二级近似方法求解气动力； - Compared with other existing methods, such as least square fitting ( LSQ), the result approximation precision ( second order approximation) is higher.
与传统的最小二乘法拟合（LSQ）相比，本文方法的逼近精度（二阶逼近）要高得多。 - The second Born approximation obtains better results compared with the experimental data.
和实验相比较，第二玻恩近似方法给出了较好的结果； - If a computer is used, a second approximation can be made with little trouble.
如果使用计算机，则可以毫不费事地计算第二次趋近。 - The absolute differential cross sections of eAr scattering are calculated employing the second Born approximation with optical potential model and the best results are obtained.
应用这个较好的理论，利用光学势模型进行了计算，得到了更好的结论。 - Each "computer" withstood several different calculations over a few days, Smith said, If a computer is used, a second approximation can be made with little trouble.
史密斯说，每一台计算机在数天时间里可以进行数项不同的计算。如果使用计算机，则可以毫不费事地计算第二次趋近。 - Based on curvilinear trajectory equations, the geometrical aberrations and their coefficients with second order approximation have been discussed, and the computational form also given in the paper.
分析了旋塞阀旋塞体与塞子锥面因加工方法与工艺不当而产生的几何偏差，给出了消除锥面加工产生偏差的几种方法。 - Electron scattering from argon in laser field is investigated employing the second Born approximation. The absolute differential cross section of e Ar scattering with one, two, and three photon exchange at scatering angles 1 °~ 26 ° are calculated.
利用第二玻恩近似方法（SBA）对激光场中eAr的散射进行了研究，计算了散射角为1°～26°，交换多个光子的微分散射截面。 - SPWM differential second approximation arithmetic
SPWM差值二次逼近算法 - The comparison shows that to a second order approximation the theory is applicable to sea wave envelopes.
结果表明，在二阶近似下该理论近似适用于海浪。 - In this paper, we extend the second Born approximation ( SBA) to circular polarization laser, calculate the differential cross section ( DCS) of laser assisted e He with multiphoton exchanging and analyze the results.
把二级玻恩近似（SBA）的方法推广至圆极化激光场，计算了发生多光子交换时的激光辅助电子被氦原子散射的微分散射截面。 - Second Derivative Approximation by ( 0,1) Hermite Interpolation Process
关于（0,1）Hermite插值过程的二阶导逼近 - Based on principles of virtual work, second approximation is derived for the plate mentioned under lateral load by Ritz method.
本文根据虚功原理，由里兹法导出简支边直角三角形正交各向异性板在横向荷载作用下的二级近似计算方法。 - It is interesting to point out that the reflection and refraction coefficients of second order approximation not only depend upon parameters of media, but also relate to the position of sound source.
二级近似下的反射系数和透射系数不仅与介质的参数（包括非线性参数）有关，而且依赖于声源的位置。 - The second approximation of the solution is of the same accuracy as theory of thin shells, and the first approximation is also sufficiently precise for engineering computation.
二次近似解达到薄壳理论所具有的精度，一次近似解也具有足够精度。 - The series expension of elastic Green's function of anisotropic cubic crystal is calculated and the expansion coefficients are given under the second order approximation.
本文计算了各向异性立方晶体的弹性格林函数的级数展开式，给出了直到二级近似的展开式的系数。 - The Second Approximation to Conoidal waves at Interface of Two-fluid System
两层流体界面上的二阶椭圆余弦波 - And then the second approximation models for vertical and horizontal type value problems are established.
继而分别建立了垂直边值和水平边值问题的二阶近似模型； - In this paper, using the PLK method and reductive perturbation method, we obtained the second approximation to cnoidal waves at the free surface and interface for the two-fluid system considered in [ 1].
本文考虑[1]中所建立的模式，采用约化摄动法及PLK方法，求得了自由面及界面上的二阶椭圆余弦波。 - Numerical results indicate that the iterative inversion method improves resolution compared with other inversion methods based on Born approximation or second Born approximation or extended Born approximation, and has the same computational efficiency.
数值计算结果表明，这种迭代反演算法与基于Born近似、二阶Born近似和扩展Born近似的反演算法相比提高了成像分辨率，而计算效率相当。 - In this paper, the behavior of the Josephson junction is discussed based on the Stewart-McCumber model and a multiple-soaking expansion which is accurate to the second order approximation.
本文采用Stewart-McCumber模型，用双变量微扰法在二级近似下对Josephson结的行为进行了讨论。 - Considering bounded-stationary perturbation theory, we arrive at the second order approximation formula in degeneracy with its application.
本文应用束缚定态微扰论推导出在简并情况下二级近似公式，并说明其应用。 - According to the dual theory, the dual programming was used to map the original problem exactly and the second approximation of the dual problem was set up by Taylor's expansion.
根据对偶理论，应用对偶规划精确映射原问题，再按泰勒展式建立对偶问题的二阶近似。 - The method of determining the variational parameter has been improved by using the free energy to the second order approximation. Thus calculated phase diagram is in good agreement with the Monte Carlo estimation and the order of the phase transition is clearly determined in the third order approximation.
利用二级近似的自由能展开式改进了变分参数的确定方法，计算所得相图与MonteCarlo结果符合很好，而且明确判定了三级近似下相变的级别。 - Second Order Approximation Method of Stochastic Steady-State Optimizing Control for Industrial Processes
工业过程随机稳态优化控制的二次近似方法 - The result of the second approximation with ncluded may be used for the calculation within ordinary accuracies.
保留项的二阶计算结果可用于一般精度的计算。 - Magnetic Susceptibility of Second Approximation in Extended Hubbard Model for Strong& Correlation
强相关扩展的Hubbard模型二阶近似磁化率 - A second approximation solution on the elastic contact problem
关于弹性接触问题的一个二次近似解