查询词典 approximation theorem

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。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。