近似方法

We apply this technique into theimplementation of discrete dipole approximation method, and the method of moment ofvolume integral equation. The FFT technique combined with iterative solvers reported inthe literatures is compared for the ordinary volume integral equation and weakform ones.

我们将它应用到分析介质体散射的离散偶极子近似方法及体积分方程的矩量法中，并且讨论了文献中报道的FFT技术结合迭代解法求解体积分方程几种不同实现方案的优缺点。

We have calculated the electronic structure and optical properties of zinc blende structure ZnSe under different high pressure by means of plane wave pseudo-potential methodwith generalized gradient approximationin this paper.The total energy,density of state,energy band structure,and optical absorption and reflection properties under high pressure are calculated.Furthermore,we analyzed the change of electron structure,band structure and optical properties under high pressure using the results of experiment and theory

运用密度泛函理论体系下的平面波赝势和广义梯度近似方法，利用第一性原理计算了不同的压强下ZnSe晶体闪锌矿结构，得到了它的平衡晶格常数、总能量、电子态密度分布、能带结构、光反射与吸收系数等性质，具体讨论了高压下ZnSe的电子结构，并且结合实验结果定性地分析了高压下的光学性质。

The energetic and structural properties of SiH_2 adsorbed on single dimer vacancy of the Si(100)-c(4×2) surface, the structures of 0.5ML hydrogenated Si(100) surface and the deposition and diffusion behaviours of silicon adatom on the H-terminated Si (100) surfaces have been studied by using empirical tight-binding total energy calculations.

本文采用经验紧束缚近似方法研究了SiH_2在Si(100)-c(4×2)表面单空位处的吸附结构、0.5ML覆盖率氢化的硅表面结构以及附加硅原子在H-terminated Si(100)表面的沉积吸附行为。

The high-temperature oxidation and degradation behavior were analyzed for the aluminide coating on Co-base superalloy , and the relationship between the oxidation and life has been deduced for the coating.

通过分析钴基超合金外扩散型铝化物涂层的高温氧化及退化行为，并采用近似方法推算，得出了这类涂层氧化和退化与时间的关系。

Based on the scattering and absorbing characteristic of aerosol,a effective medium approximative method was given, and the effective refractive index of aerosol was calculated.

为了了解气溶胶折射率对研究大气气溶胶的辐射效应的影响，给出了一种基于气溶胶散射和吸收特性的有效媒介近似方法，以计算大气气溶胶的有效折射率。

In this paper, the wave heights in front of a vertical wave absorbing structure with rubble foundation aswell as in the wave chamber by using an approximative calculation method are described, and the dissipating effect of the structure is verified.

本文采用近似方法分析了明基床上直立式消波建筑物前的波高及消波室内的波高，从而确定建筑物的消波效果。

We calculated all possible octet and decuplet baryon-baryon interactions in the u, d, and s three flavor world by using adiabatic approximation.

本文利用绝热近似方法，分别在三种不同的等效自由度下系统计算了所有可能的八重态，十重态重子—重子相互作用。

Two kinds of obstacles are simulated on computer.The numerical results illustratethe efficiency of the method even if in the case of large perturbational parameters inelastic medium.

与传统的Born近似方法相比，对于大扰动参数介质几何反问题，给出了更为准确的重构结果。

A nonadiabatic ap proximation method was employed to deal with the spin-phonon interaction.

采用非绝热近似方法处理自旋-声子耦合相互作用。

Second, facet division and its approximation as well as the shading algorithm are discussed on Faceting Approach.

还讨论了面元划分及其近似方法，分析了遮挡处理算法。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。