详述的

The thesis first probably explains BrushLess Direct Current Motor, and discusses the related control methods, explains the background and Meaning of back electromotive force which is used in the thesis.

本文首先对无刷直流电机进行了概述，并对其相关控制方法进行了讨论，说明本文所采用反电动势法的背景和意义；接着论述了无刷直流电机基本组成环节、基本工作原理、运行特性和传递函数，然后是详述本文研究的重点：基于反电动势法的MATLAB调速系统的仿真以及基于反电动势法的DSP控制系统的实现。

The thesis first probably explains BrushLess Direct Current Motor, and discusses the related control methods, explains the background and Meaning of back electromotive force which is used in the thesis.Then the thesis expounds the basic component parts,the basic running principle,the running characteristic and transfer function of the BLDCM.And then the thesis detailedly dissertates its research pivot: the simulation of BLDCM system in MATLAB based on the method of Back-EMF and the control system of Digital Signal Processor based on the method of Back-EMF.

本文首先对无刷直流电机进行了概述，并对其相关控制方法进行了讨论，说明本文所采用反电动势法的背景和意义；接着论述了无刷直流电机基本组成环节、基本工作原理、运行特性和传递函数，然后是详述本文研究的重点：基于反电动势法的MATLAB调速系统的仿真以及基于反电动势法的DSP控制系统的实现。

The main jobs of this dissertation are as following: Chapter one firstly describes the essential of collision detection problem, according which most the collision detection algorithms were classified into seven categories. Then a survey on hierarchy bounding volume, surface simplification and the particle swarm optimization is presented, which is the basis of the new frameworks.

本文的主要工作为：第一章概述了碰撞检测问题，把目前的碰撞检测算法分为八大类，主要介绍了与本文算法相关的层次包围盒技术和基于随机方法的碰撞检测技术，并详述了作为BASIC-PSO碰撞检测算法基础的粒子群优化搜索技术。

Despite there being nearly 120 cats at Metta Cattery ("metta" means "loving kindness" to Buddhists), Ms Lee, who works at a Pasir Ris clinic as a billings administrator, can call all of them by name and recounted some of their sad plights.

尽管在爱心猫之家有接近120只猫（"metta"在佛教的教意是"仁慈的爱心"），李女士，巴士立诊所的开发单据的行政人员，可以叫出每一只猫的名字和详述一些猫儿的苦难处境。

In Chapter2 and Chapter 3, the writer introduces the basic principles of the above-mentioned four modules, simulates and demonstrates the four function modules respectively with accordance to certain parameter, and concludes the simulation result. In the fourth chapter we discussed methods of compiling ADSP assembly files and LDF files, described an actual example detailedly. And finally in Chapter 5, the realization of signal processing system is detailed described. The writer also introduces the concerning system frame, program flowchart and the experiment result according to the general indicatrix.

文章首先在第二、三章详细叙述了各模块的基本原理，按一定的参数对各功能模块进行了方案论证及仿真，并给出了仿真结果；在第四章介绍了ADSP 芯片的集成开发环境――VisualDSP++3.0 和软件开发流程，详述了具体的汇编程序实例；最后在第五章叙述了信号处理机的具体实现，按总体指标给出了相应的实现框图、程序流程图以及试验结果。

Application of macroinstruction in aerospace ground measurement-launch-control system software is elaborated.

介绍了带参数宏替换在重复过程调用方面的作用以及它与函数的区别，详述了它在航天某型号地面测发控系统软件中的应用，最后着重分析了它对增强测发控系统软件总检查程序的可靠性方面的意义。

This seems so obvious that I'm not going to dwell on the well-intended but seriously misguided economic policies that made the Great Depression so bad, and recent steps that should help ease the stresses that have developed this time.

这点看起来非常明显，因此我不想详述曾让大萧条越陷越深的出于好意但却具有严重误导性的经济政策，以及最近采取的有助于缓解这次危机压力的措施。

This seems so obvious that I'm not going to dwell on the well-intended but seriously misguided economic policies that made the Great Depression so bad, and recent steps that should help ease the stresses that have developed this time.

这点看起来非常明显﹐因此我不想详述曾让大萧条越陷越深的出於好意但却具有严重误导性的经济政策﹐以及最近采取的有助於缓解这次危机压力的措施。

Chapter IV is to provide differences between traditional language and the IRC language in terms of seven aspects: transmission carrier, genre, transmission logics, function and scope, situation, interactiveness, criterion and stability.

本章又在三方面详述了聊天室语言的特点，即：聊天室语言中数字和字母的应用、聊天室语言的构词规律及聊天室语言中的副语言。

He began practicing archery while in fourth grade at Yi-Won Elementary School, and in his first year of international competition as an 18-year-old, Park won the individual title at the 1993 World Championships in Antalya, Turkey.

个人详述：到北京奥运会开幕时，韩国运动员朴敬模已经33岁了，在最近的一些赛事中，他已经更多的年轻运动员抢去了风头。18岁那年，他参加了第一次国际性赛事。1993年的土耳其世界锦标赛上，朴敬模赢得了个人的第一次冠军头衔。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。