查询词典 And Then

Then Tom and Bob went to the sideboard where the decanter was, and mixed a glass of bitters and handed it to him, and he held it in his hand and waited till Toms and Bobs was mixed, and then they bowed and said,"Our duty to you, sir, and madam;" and THEY bowed the least bit in the world and said thank you, and so they drank, all three, and Bob and Tom poured a spoonful of water on the sugar and the mite of whisky or apple brandy in the bottom of their tumblers, and give it to me and Buck, and we drank to the old people too.

个子高高的，肩膀宽宽的，棕色的脸，长长的黑发，两只黑黑的眼睛，都可说是一表人才。他们从头到脚，一身细帆布服装，跟老绅士一个样。戴的是宽边的巴拿马帽。然后再说说夏洛特小姐。她二十五岁，个子高高的，骄傲而挺有气派。不过只要不是在她生气的时候，她总是挺和气的。可只要她一生气，那就象她父亲一样，立时立刻，叫你蔫

Firstly it describes the development ,basic principle and application and propagation characteristic of mobile channel , then investigates the system structure of DAB transmitter and receiver separately and the key technology of realization of the digital audio broadcast system.And then discusses the system component of FFT －the demodulation module of OFDM .The 409- points FFT module employs a radix-4 decimation-in-frequency algorithm, includes arithmetic element , read and write address element ,twiddle factor element and control element , is realized by FPGA. In the end , the result is verified in the matlab .

首先概述了OFDM的发展、基本原理和应用以及移动信道的传播特性，接着分别研究了数字音频广播接收机和发射机的系统结构，以及数字音频广播系统实现的关键技术，然后详细论述了OFDM解调模块FFT的系统结构，主要研究了4096点FFT采用基－4按频率抽取实现的算法，整个FFT模块包括了运算单元、读写地址单元、旋转因子单元以及控制单元，并且在FPGA中进行了硬件实现，并在matlab环境下对结果进行了验证。

The factors affecting postfrac productivity are discussed in the paper. The grey associability ordering indicated that the postfrac productivity was lowly correlated with the permeability interpreted by the original log data and mainly influenced by porosity, then effective thickness, and then shale content and formation pressure. In light of the genetic neural network method, the productivity of gas well was predicted by use of the log data through programing and model training. The error detecting result proved that the model was reliable and a good application effectiveness was obtained.

文章对压后影响产能的因素进行了讨论，灰关联度排序表明，压后产能与原始测井解释的渗透率关联性小，而主要影响因素依次是孔隙度、有效厚度、泥质含量和地层压力；引用遗传神经网络法，编制预测程序，利用测井资料通过模型训练，对气井的产能进行预测，误差检验验证了模型的可靠性，取得了良好的应用效果。

This paper summarizes the background and advantage of data mining, as well as the significance of data mining in the scientific research management of colleges and universities firstly, and then discusses the theory of data mining, association rules and the ideas of main algorithm, analyzes the classic Apriori algorithm and its existing problems as well as the basic solutions. After that, this paper proposes Multi-Dimensional Apriori algorithm which is designed specially for the mining of this paper; Then describes the structure of scientific research data mining system, defines subject-oriented mining tasks, including: mining the data about research projects, mining the data about papers, mining the data about academic writings. The association mining process is implemented by programing, a number of stimulating association rules are found, interpreted and analyzed.

本文首先综述了数据挖掘的研究背景、意义以及数据挖掘技术在高校科研管理中的应用现状和意义，然后在对数据挖掘相关理论、关联规则思想及主要算法进行讨论，分析经典Apriori算法及其存在的问题、基本解决方案后，提出了适合本文挖掘的多维Apriori算法的设计方案，并应用于本文挖掘中；接着论文介绍了科研数据的关联挖掘系统的结构，确定了面向主题的挖掘任务，包括：科研项目信息的挖掘、论文信息的挖掘、学术专著信息的挖掘等；设计了关联规则的实施过程，并通过程序编码得以实现，获得了多条有启发性的关联规则，并对其进行了解释与分析。

Jim Webb, the junior senator from Virginia, who defeated the incumbent Republican George Allen in 2006, is or has been: a best-selling author; a screenwriter (Rules of Engagement, and another in the works); an Emmy-winning documentary producer; the author of a large number of articles and book reviews; an Annapolis graduate; a boxer (he lost a legendary and controversial championship match at Annapolis against Oliver North ); an autodidact who grew up a military man's son and indifferent student but on his own became a passionate reader of history; a first lieutenant and Marine rifle platoon commander with Delta Company in Vietnam, where he won the Navy Cross for heroism (the second-highest award in the Navy and the Marines), the Silver Star, two Bronze Stars, and two Purple Hearts; a graduate of Georgetown Law School who then worked on the staff of the House Veterans Affairs Committee; a teacher of English literature at the Naval Academy; and an assistant secretary of defense and then secretary of the Navy during the Reagan administration.

吉姆·韦布曾在2006年挫败现共和党员乔治·艾伦。这位来自弗吉尼亚州的新议员拥有许多头衔：畅销书作者；剧作家（《交战规则》和其他一些作品）；艾美奖获奖纪录片出品人；许多文章和书评的作者；安纳波利斯毕业生；拳击手（他曾经在安纳波利斯的一场传奇而充满争议的冠军杯比赛中败给奥利弗·诺兰）；本事一个军人家庭的平凡学生却自学自修成长为热情洋溢的历史读者；中尉以及越南战役中海军陆战队第四步兵排指挥官，那场战役里他获得了海军英雄主义十字勋章（海军和海军陆战队第二高等奖章）、银星奖章、两枚青铜奖章和两枚紫心勋章；毕业于乔治城法律学校而后就职于退伍军人事务部参谋机构；海军学院英国文学教师；助理国防部长以及里根在任期间的海军部长。

It firstly gave the software and hardware environment, and then described its design plan and strategy detailedly on the base of analyzing the problems of today's automobilism simulator. Meanwhile, it builded the mathematics model, and gave the examining plan on collision of automobile. Then it elaborated systemly its achievement and basic algorithm of roaming system. Finally, it summed up the full text, and put forward the next prospect.

首先给出了该仿真系统实现的软硬件环境，然后在分析了当前驾驶模拟器仿真系统所存在的问题的基础上，详尽地描述了本系统的设计方案与实现策略，同时建立了仿真车辆实体的数学模型，并就车辆的碰撞行为给出了检测方案，接着，论文还就漫游系统的实现及其基础算法进行了系统地阐述，并就本仿真系统的特效处理给出CG语言的实现，最后，总结全文并给出了下一步工作的展望。

It firstly gave the software and hardware environment, and then described its design plan and strategy detailedly on the base of analyzing the problems of todays automobilism simulator. Meanwhile, it builded the mathematics model, and gave the examining plan on collision of automobile. Then it elaborated systemly its achievement and basic algorithm of roaming system. Finally, it summed up the full text, and put forward the next prospect.

首先给出了该仿真系统实现的软硬件环境，然后在分析了当前驾驶模拟器仿真系统所存在的问题的基础上，详尽地描述了本系统的设计方案与实现策略，同时建立了仿真车辆实体的数学模型，并就车辆的碰撞行为给出了检测方案，接着，论文还就漫游系统的实现及其基础算法进行了系统地阐述，并就本仿真系统的特效处理给出CG语言的实现，最后，总结全文并给出了下一步工作的展望。

And then it design and compulate for the strip transmission of the transmission system. And it also design for the gears, axis, bond and the axletree of the retarder. And then it proofreads their intension.

然后对传动系中带传动进行设计计算，另外还对减速器中的齿轮，轴，键以及轴承进行设计以及强度的校核计算。

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。

Then the high speed is needed for separation, and washing can be carried out at the same time, In the process of feeding and high-speed separation, the liquid, under the centrifugal force, is discharged out of the basket through filter cloth and the holes of the basket, and then out of the machine through the tube for discharging liquid, while the solid deposits in the basket. After the separation, open the machine, loosen the lock blocks on lip ring, and suspend the lip ring together with the filter bagt containing cake to discharge.

进料与高速分离过程中，在离心力作用下，液相物穿过滤布及转鼓壁滤孔排出转鼓，经排液管排出机外；固相物截留在转鼓内，分离完毕，停机后启开机盖，松开拦液板锁紧块，将拦液板连同装有滤渣的滤袋一并吊往卸料处卸料。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。