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By the use of CAD method to carry out the research on key problems of three ring typed less teeth difference reducer-the inner and outer gears have to be designed by adopting modified transmission was advanced. And to study a method for carrying out numerical calculation by adopting the powerful functioned mathematical software MATHCAD in the solution of coincidence extent on less teeth differenced internal messing and in iterative computation for equation set of interference coefficient of tooth profile overlapping.

提出用CAD法研究三环式少齿差减速器设计的关键问题―内外齿轮必须采用变位传动的设计，并研究在求解少齿差内啮合的重合度和齿廓重叠干涉系数方程组的迭代计算中，选用功能强大的数学软件MATHCAD进行数值计算的方法。

It constructs a tentative frame of theories and policies of industrial clusters. It analyzes industrial clusters mechanism and policies. The research outspreads nine parts. The first part states the background, thepurpose and the present situation of the industrial clusters and development zone.Chapter2 summarizes the theory of development zone, which includes itsconnotation, forms and the process of development zone, and then analyzes thetheory and practices of development zone abroad, finding the gap between Chinaand other developed countries and regions. In chapter 3, based on study of presentresearch, this paper discusses competitive advantages and inherent mechanism, putsforward to the necessity of research of industry cluster in hi-tech zones and pointsout that the industry cluster is the key that Hi-tech zones carry out the seconddevelopment In Chapter4, this paper discusses the possibility and their mutualmotivation between industry cluster and development zone from the view ofIndustrial Ecologization, game theory and industrial structure theory; based onanalysis of Chapter3 and Chapter4,the next two chapters underlines thedevelopment mood and mechanism of industrial cluster in developmentzone,besides,these chapters points out the role of government in this mood. InChapter7, this paper discusses the system of evaluation of the performance ofdevelopment zones. At last, based on the analysis above and the present situation ofOptical Valley in Wuhan, Hubei province, the author estimates the performance ofoptical industrial clusters in Optical Valley, and puts forward to the advices about thegovernment, the mood and the policies of optical industrial clusters in OpticalValley.

全文研究从以下八个部分展开：首先，在文章的第一部分，论述了关于本篇论文的研究背景、研究目的和国内外研究的理论与实践现状；第二部分主要阐述了关于开发区的理论，包括其内涵、表现形式和发展历程，并对国外开发区的理论和实践予以论述，由此对比出国内外开发区发展的差距，从中找出国内高新科技园区的不足和先进发展模式的经验——即发展产业集群；第三章产业集群的基本理论，在对现有理论成果作了梳理工作之后，着重分析其竞争优势和内在机理，为开发区发展模式中引入此概念的必要性埋下伏笔；在探讨了开发区内大力发展产业集群的必要性以后，第四部分着重研究其可行性及其互动机制，包括从产业生态学的角度、博弈论的角度、产业组织理论的角度等，为开发区内的产业集群发展的优势进一步展开；在完成了对其必要性和可行性探讨的基础上，在本文的第五和第六部分分别研究了我国开发区产业集群的发展模式和运行机制，以及政府在当中应当扮演的角色，并提出适当的制度建议；第七章给出了开发区产业集群的评价体系，并在此基础上，第八章结合武汉光谷高新技术开发区的现状作出实证分析，对区内产业集群发展情况作出评价，并对其具体发展模式、政府行为及政策建议作出建议。

In the high efficiency oil removal technology aspect, the theory study and application experiment of air sparged liquid-liquid hydrocyclone was carried out, enlightened by the air sparged solid-liquid hydrocyclone. Firstly, the strength and movement of dispersed phase was analyzed in theory, it was proved that the air bubble-oil drop polymer trend to move to the axes of hydrocyclone. Secondly, using CFD method, the characteristics of oil-air-water flow field were studied, including velocity distribution, pressure distribution, turbulent motion energy and its dissipation distribution. The characteristics and separation effect under different air injection methods were simulated. Thirdly, the separation ex-periment of air sparged liquid-liquid hydrocyclone was carried out at Lab. The major structure parameters of the hydrocyclone were optimized, the reasonable air injection method and performance parameters were determined through 4 groups of air injection experiments.

首先，对气携旋流场中分散相粒子的受力及运动进行了理论分析，证明了气泡与油滴形成的聚合体，更易于向轴心运动；其次，应用CFD方法，研究了油-气-水三相流场的速度分布、压力分布、湍动能及其耗散率分布特性，对不同注气方式的流场特性及分离效果进行了数值模拟；第三，开展了气携液-液旋流分离特性室内研究，优化了旋流器的主要结构参数，对四种注气方式的分离效率进行了对比，确定了合理的注气方式和操作参数；最后，在油田现场开展了处理聚驱采出污水工艺试验，确定了工艺运行参数，评价了处理效果。

The instruments the author used in the experiment are literature review, interviews, questionnaires and case study. Start from the point of view of strengthening amateur sportsmen's training method in view of the 400-meters sportsmen who haven't reached level 2 target in school PE teaching and amateur training according to the successful experience and long time of practice of some qualified 400 meters trainers and some out standing PE teachers as well as the accumulation of the related literature review the author construct theoretically the model of training 400 meters male dash with the target of improving the speed of 400 meters dash. That is to say from the following 4 aspics, speed index,speed endurance index,aerobic endurance index,strength index.Listing the relative theory of mode training by analyzing and comparing the results got by the subjects both before and after the experiment the author tries to find out a suitable final index mode for specific training .

本文运用文献资料法、访谈法、问卷调查和实验等方法，从重视基层业余水平田径运动员的训练、加强对业余水平运动员训练方法的研究为出发点，针对学校体育教学及业余训练中水平一般且未达到国家二级锻炼标准的400m跑运动员，依据国内400m跑专项高水平教练员、优秀体育教师多年训练实践的成功经验以及相关文献资料的积累，以影响400m跑专项成绩提高的主要内容指标，即速度指标、速度耐力指标、有氧耐力指标以及力量指标四个方面为切入点，从理论上初步对男子400m跑二级运动员专项训练的指标模式进行构建，并运用模式训练相关理论原理，通过实验前、后运动员成绩的对比分析，寻求符合其专项训练的最终指标模式。

Using a code built around selected genes, they spelled out five words that Venter coyly refuses to reveal, saying only that any molecular-biology study can suss them out and promising that there are no obscenities.

采用在挑选出的基因周围建立其的一个编码，他们评出了五个Venter害羞地拒绝透露的单词，称只有分子生物研究能查出是那几个字，并保证那不是猥亵的言语。

The author not only points out the person who examined and approved with the Chinese translation of "Preface for the integral translation of Science and Civilisation in China" and made so many big mistakes in the finalized manuscript for printing because of his empty of qualified English proficiency, of right study-style, and of moral behavior, moreover points out the three big wrong actions in carrying the translation program as a whole - to make SCC Translation and Publication Committee, Academia Sinica, exist in name only; to carry on the fast-food culture policy; and, to act against the right principle, that is, the abilities of the revisers is not higher than the translators and abilities of the finalizers is not higher than revisers.

在进入正文之前，想对此计划缘起略加介绍。我发现已刊SCC全译本已出几册的译文质量令人堪忧，错讹太多，远没有达到卢嘉锡博士在&中译本序&中也指明翻译出版全译本的目标。为供后续各卷册汉译借鉴，一位朋友建议我去纠正全译本已出各册的错讹。我接受了这个建议，计划按卷册顺序进行。本文选择SCC全译本&作者序&而不是第一卷正文作为我的个案研究的首案，另一原因是&作者序&在第一卷卷首。必须指出，经第二审定人终审定稿的第一卷其他部分和第二卷同样存在错讹。我将陆续从SCC全译本前两卷及其他已刊各卷册选取典型个案，评析谬译原因，这项工作不仅可供该译本尚未出版的各卷册的译校审者参考，而且，我发现，还能为笔者个人早就想做的翻译心理学研究提供绝好的素材。

In order to study the phase splitting characteristic of the gas-liquid two-phase mixture leaking out from a small break on the pipe wall, a special leaking experimental device was set up, and with an air-water two-phase flow loop, the experiments studying the phase splitting of leakage leaking through the break were carried out.

为研究气液两相流体通过破口泄漏时的相分离规律，设计了新型泄漏测量装置，在空气－水两相流实验环道上开展了实验研究。

Comparing tow methods of efficency pre-estimation, it finds out the new method fit for super-low specific-speed pump. Acoording to the study and comparison on efficency and reliability, the thesis points out merits and faults of the 5 types of impeller, and draws a conclusion that the complex impeller and partly blocked-flow-passage impeller are fit for the impellers of super-low specific-speed centrifugal pump.

比较了泵效率预估的方法，提出了适合于极低比转数泵效率预估的新方法，并对其性能要求的效率和可靠性两方面进行了研究比较，指出了五种形式叶轮各自的优缺点，得到结论：复合叶轮和部分堵塞流道的一般叶轮适合作极低比转数泵叶轮。

To further meet the market demand and expand domestic and international packaging materials market, companies in the market carry out a detailed investigation and a detailed feasibility study carried out vacuum coating production line technological transformation project, the project in line with "the current national focus on encouraging the development of the industry , directory of products and technologies (2000 revision),"improve the scientific and technological content of products and further expand the scale of production and operation.

为进一步满足市场的需求，拓展国内外包装材料市场，公司在对市场进行周密的调查和详细的可行性研究，进行了真空镀膜生产线技术改造项目，本项目符合《当前国家重点鼓励发展的产业、产品和技术目录（2000年修订）》，提高了企业产品的科技含量和进一步扩大企业生产经营规模。

In order to find out the pureness of parental Carassius auratus Tungting and make an analysis of morphological genetic law between parent and progeny, the study sets out to test 27 parents and 32 offspring of Carassius auratus Tungting from Beiming lake.

为查明洞庭青鲫原种亲本种质的纯度，进行亲本、子一代之间形态学性状遗传传递规律的分析，测定了从北民湖引入的洞庭青鲫原种亲本27尾和子一代32尾，对其7项可比性状和可数性状进行统计分析，计算出各性状的均值、标准差、变异系数。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。