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The dynamic programming is based on "the optimality principle", which makes a complex multidimensional question into several easy lower questions with relation to it .

动态规划是基于"最优性原理"它将一个复杂的多维问题分解成若干个相互依赖、联系的易于求解的低维问题。

The dynamic programming is based on "the optimality principle", which makes a complex multi-dimensional question into an easy lower question with relation to it.

动态规划是基于"最优性原理"它将一个复杂的多维问题分解成若干个相互依赖、联系的易于求解的低维问题。

In addition to freeing the developer from hardware details, the HLSL also has all of the usual advantages of a high level language such as easy code reuse, improved readability and the presence of an optimizing compiler.

HLSL也具有高阶语言通常的有点，如代码易于重用、改良过的可读性和具有优化能力的编译器。

The principle of the modeling method is simple,and it can easily be realized. The model constructed bythis method can be applied in analysis of characteristics, and optimization of parameters ,optimum control of system.

实验结果表明：这种建模方法原理简单，易于实现，所建模型可用于系统特性分析、参数优化以及最优控制等。

ABSTRACT The researches of this thesis are carried out around the development of high performance machine tool spindle permanent magnet synchronous motor and its drive system. Five parts are included: First of all, concerning the operating characteristics of the machine tool spindle drive system, the optimum current control strategies of spindle PMSM are determined; The design rules of spindle PMSM's key parameters are summarized, based on the study on the influences of the design parameters on the performances of the PMSM operating at different current control strategies; The practical methods to improve the flux-weakening ability of the PMSM are presented; Based on the analysis and comparison of the operating performances of PMSM with different rotor structures, a novel PMSM rotor structure, which is of excellent mechanical performance, suitable for fluxweakening operation and can improve the torque output capacity in the same time, is presented.

本文围绕高性能机床主轴永磁同步电动机及其传动系统的设计研究展开，所做工作主要包括五部分：首先，确定了主轴永磁同步电动机定子电流的最优控制策略；通过对不同控制策略下主要设计参数对主轴永磁同步电动机性能影响的计算研究，总结了参数设计规律；提出了永磁同步电动机弱磁扩速的实用措施；在分析比较不同转子磁路结构电机的性能，尤其是弱磁扩速能力的基础上，提出了一种机械性能优越，易于弱磁扩速，同时能保证电机恒转矩运行时的转矩输出能力的新型转子磁路结构。

Researcher Amy Wrzesniewski says that when we express creativity, help others, suggest improvements,ordo additional tasks on the job, we make our work more rewarding and feel more in control.

研究人员Amy Wrzesniewski 说当我们表现出创造力，帮助他人，改进建议或者工作上做些额外的工作，使我们的工作更有价值并且感到更易于掌控。

Firstly, a two-dimension tensor product space is constructed, in which reproducing kernel exists. Secondly a multiresolution analysis is constructed in the reproducing kernel space. Then an orthonormal basis in is obtained. Thus,the reproducing kernel space can be expressed by wavelets spaces. Wavelets approximation formula and sampling formula can also be obtained in the space. Besides, the wavelets approximation formula is simple and easy for calculation. That completes the theory of multiresolution analysis in finite interval fully and provides theoretical base and algorithm for application.

首先，构造二维张量积空间，并证明该空间具有再生核；其次在再生核空间中，建立多尺度分析，获得该空间的一个标准正交基，使得再生核空间可以由小波空间来刻画，进而得到小波级数和相应的采样公式，而且给出的小波级数形式简单易于数值分析，进一步完善了有限区间上的多尺度分析方法，也为实际应用提供了良好的理论基础和算法。

BACKGROUND: Injection molding can be used in producing a variety of orthotic devices of practical use in rehabilitation medicine. With its merits of convenient realization and stability, genetic algorism has found wide application in many fields, especially in machine learning, pattern recognition, intelligent control and optimization.

背景：塑料注塑成型技术可用于康复工程的多种实用矫形器中，遗传算法所表现出的易于实现及健壮性等特点，使它在许多领域，特别是近年来在机器学习、模式识别、智能控制和最优化等领域得到了广泛应用。

It is easy for the mind to ossify .

脑筋是易于僵化的。

According to this paper, ostensive definitions are apt to be misunderstood, thereby failing to be the solid foundations of the interpretation of meaning.

本文认为，实指定义易于引起误解，因而不能成为意义解释的可靠起点。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。