查询词典 first approximation

We must seek two main approximation method s of solution, the variation method and perturbation theory

我们必须寻求两个主要的近似解法、变分法和微扰法。

The authors present a fast approximation method useful in the early design as well as a more detailed analysis.

作者提出了在早期和中有用的更快速估算法。

It is shown that the Chebyshev polynomial approximation is a valid method for the investigation of non-smooth systems.

研究表明，Chebyshev多项式逼近也是研究随机非光滑系统动力学行为的一种有效方法。

Firstly, the phase noise of microwave frequency source is obtained by using linear approximation method.

第三章主要是对拉曼激光的相位噪声的来源进行分析，具体计算拉曼激光的噪声。

The comparison between the results of diffusion approximation and Monte-Carlo method is given.

本章在上一章的基础上对THz光在双层介质中的传播和散射作Monte-Carlo统计模拟，得到了其在双层介质表面的漫反射特性。

Simulation results show that this identification method has excellent approximation ability, and system of adaptive inverse control has good robustness and performance.

仿真结果表明，该辨识方法具有良好的逼近能力且自适应逆控制系统具有良好的鲁棒性。

Considering the complexity of the problem, most researches were focused on the approximation method and many achievements have been obtained.

但是因为问题本身的复杂性，所以人们将研究的重点放在问题的近似计算上，并且取得了一系列的研究成果。

Some numerical examples are given to show that the numerical method presented is an approximation method with high efficiency and convergence.

数值计算表明本文数值方法是一种高效和收敛的近似方法。

The thought and method of approximation permeate in almost all the disciplines, including discipline in the natural science and humanities.

逼近的思想和方法渗透于几乎所有的学科，其中包括自然科学和人文科学中的学科。

This paper presents an approximation method to display realistic pictures of numerical control machining simulation very quickly.

提出了一种快速显示数控加工仿真高质量真实感图形的近似方法。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。