研究与开发

The theme in the paper is to key parts of project of Study and Development on Original Non-frictional Continuous Action Mechanical Variable Speed Drives, which is supported by Chongqing Municipal Science and Technology Committee Schedule Projects, it will make good foundation in relative technology research domains.

本论文研究内容是重庆市科委科技攻关项目"新型非摩擦式连续作用机械无级变速器的研制与开发"工作的一个重要部分，它将为新型非摩擦式连续作用机械无级变速器产品的开发打下良好的基础。

It is important for the application of formal approach and formal specification in all stages of software development to study and design automatic refinement from Z to high-levellanguage: Insure complete formalization in all stages of software development; Avoid antilogy in refinement due to mistaken operation or computative mistake and insure consistency and integrity of system; Due to avoiding manual operation in refinement process, it is feasible to bulid a compile environment that Z specification automatic refine and form high-level programme, this will accelerate the promotion and application of Z in industry.

Z到高级语言自动求精的研究与设计对于形式化方法及形式规格说明应用于软件开发的各个阶段具有非常重要的意义：确保了从需求分析阶段开始的软件开发周期的完全形式化；避免了人工的误操作或演算错误导致的求精前后不一致，保证了系统的一致性和完整性；由于求精过程避免了手工操作，因而Z规格说明自动精化为程序代码的编译环境可以建立，这将会加速Z规格说明在工业界的推广应用。

This article first introduces the math foundation required by ECC,including the addition rule for elliptic curve point defined over finite field.Then , the principle of ECC is discussed and its security and efficiency of ECC are analyzed.Third, a cryptosystem is designed through analyzing the security requiration, choosing the elliptic curve domain parameters,denoting field element,elliptic curve and elliptic curve point,choosing associate primitves and schemes andpartitioning functional module.Forth, how to develop a crytosystem based on elliptic curve encryption algorithm is investigated.Fifth, a cryptosystem we have developed by us and the testing result is described.

本文首先介绍了ECC的数学基础，对有限域上椭圆曲线点的运算规则进行了详细描述；其次探讨了ECC的原理，分析了ECC的安全性和有效性；第三，设计了一个基于ECC的加密系统，包括系统的安全需求分析，域参数选择，域元、椭圆曲线、点的表示，原语和方案的选择，及整个系统的模块功能划分；第四，在设计的基础上，研究如何开发一个基于椭圆曲线的加密系统；第五，描述了一个我们已经设计与开发的基于椭圆曲线的加密系统，并给出了相应的测试结果。

For a self-made tube-packaged FBG strain sensor, the influencing factors of strain transfer ratio and the corresponding error transfer law with finite element method are studied.

目的 研究自行开发的管式FBG应变传感器自身的应变传递率影响因素及相应的应变传递误差规律，为FBG应变传感器的设计与开发提供参考。

It is pointed out that the birth of the high elastic Eu gum, the discovery of the three stages of vulcanizing process and the three kinds of different materials, which correspond to the three stages, the building of the systematic material engineering and the development of the concept on "Unitary Material-Spectrum composed of rubbers and plastics"have brought the study on EU gum into a new stage,and moreover,promoted the development of a series of new functional materials.

指出：高弹性杜仲胶的诞生，杜仲胶硫化过程三阶段及与之对应的三类不同材料的发现，杜仲胶材料工程学的形成及"橡一塑统一材料谱"概念的提出，把杜仲胶的研究及开发带到了一个新阶段，进而推动了系列功能材料的开发。

This thesis is based on the developing project of "Testing and research on the related technology of the aerodynamic effect in the high speed railway tunnel", which is from the national railway department and also based on the project of "The research on the micro-pressure wave and tunnel hood around the gate of the tunnel in YuHuai railway with the speed of 200km/h",which is from the second surveyed and design institute of China Railways. Research on the lucubration of tunnel aerodynamic effects mechanism and corresponding alleviation measure was carried out.

本文以铁道部科技研究开发计划项目《高速铁路隧道空气动力学相关技术的研究与试验测试》和铁道部第二勘测设计院《遂渝铁路时速200公里隧道洞口微压波及缓冲设施研究》为依托，结合我国国情，对隧道空气动力学效应的作用机制和其减缓措施进行研究。

The software architecture of open CNC systems are studied and the software developing method applying COM technology is proposed.

3研究了开放式CNC系统的软件体系结构与开发方法，提出了应用COM组件技术构造和开发CNC系统软件的方法。

The main research content is: Using the experimental of cutting force and roughness of high speed face milling cutter and high speed end milling cutter mill aluminium alloy and cast iron, analyze the rules of the high speed milling velocity, feed rate per tooth, milling depth and milling width to high speed processing. Use multiple linear regression method, set up surface roughness and the cutting force fluctuation models. Certify the regression model notability, and provide a reliable guarantee for the accuracy of function optimization. Based on the targets of productivity, manufacturing cost, surface roughness, cutting force fluctuation optimization model, according to research of the high speed milling parameters selecting restrict of work piece, machine, tool and safety, set up high speed milling parameters multi-object optimization system.

本文以已有的高速铣削机理及高速刀具技术研究成果为基础，结合高速铣削试验，进行了基于遗传算法的高速铣削参数优化研究与系统开发，主要的研究内容为：通过高速面铣刀和高速立铣刀加工铝合金和铸铁等材料的切削力和表面粗糙度试验，进行了铣削速度、每齿进给量、铣削深度和铣削宽度对高速铣削加工过程影响的研究；采用多元线形回归的方法，建立了切削力及其振幅和表面粗糙度模型，并对模型的显著性进行验证，为高速铣削参数优化模型的建立奠定了基础。

The second chapterintroduces the characters of glass curtain walls. The third chapter goes along astudy on the daylight glare inside the glass curtain wall buildings. The fourthchapter goes along a systemic study on the reflection glare from glass curtainwalls and introduces design and development of the reflection glare calculation module. The fifth chapter uses some building simulation tools tocalculate and evaluate the heat pollution and light pollution. The sixth chaptersummarizes and prospects.

论文共分为六章，第一章介绍了天然光环境及天然采光的意义；第二章介绍了玻璃幕墙的特点及其室内外天然光环境的特点；第三章针对玻璃幕墙建筑室内昼光眩光进行了研究，并利用软件进行了计算和分析；第四章对玻璃幕墙反射光污染进行了系统的研究，并介绍了反射光计算模块的设计与开发；第五章介绍了利用计算机模拟的方法对玻璃幕墙光污染和热污染的计算与评价，并得出了相应结论；第六章进行了总结和展望。

Our main business covers all types of new drug research and development, low-volume sample research trial, exchange and promotion of medical scientific achievements, intercourse of medical research personnel and information, medical technology services and consulting. Through the above we form a platform for domestic and international scientific and technical exchanges and business.

主营业务包括各类新药的研制与开发；小批量样品研究试制；医药科技成果的交流与推广；医药科研人才和科技信息的交流，医药科技服务与咨询等，是国内外科学技术交流、企业与科研单位沟通的纽带与桥梁。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。