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Above all, the research background and the current situation at home and abroad are proposed, as well as the significance of the paper. In succession, the technology basis and the academic basis are introduced: the Windchill system based on Java are taken as developing platform and workflow technology is taken as modeling tools for the ship design process.

本文首先介绍了本课题的研究背景以及当前国内外发展现状，并且表述了本课题的研究意义；接下来，介绍了本课题的技术基础以及理论基础：采用基于Java语言的Windchill系统作为开发平台，并使用工作流管理技术对舰船设计流程进行抽象建模。

With advantages of unique design, top quality and reasonable prices, its products, such as women's and men's wigs, draw strings, lesson mannequin wigs and human hair weavings series production ,with over 1,000 varieties of designs and colors .These products are exported to American, Japan, Korea, Europe and Africa markets and well accepted by the customers at home and abroad.

公司以精湛的技术，一流的设计，超凡的创意，并以其质优价廉的产品和良好的商业信誉，生产的男女装假发、女装配件、教习头、工艺发条等系列产品，上千个花色品种，畅销到美、日、韩、欧、非等国家和地区，备受中外客商的一致认可和好评。

Now, the Company consists of 1 general appraisal office and 4 appraisal business departments, and has more than 30 asset valuers, engineers, economists and accountants, aiming to provide best professional services to customers both home and abroad.

本公司设有总评估室和四个评估业务部门，拥有三十多名资产评估师、工程师、经济师、会计师，竭诚为中外客户提供一流的专业服务。

Our company was established in 1982,with a registered capital of RMB 5 million yuan,a factouy area of 18,000㎡,and construction atrea of over 7,000 ㎡,soecializing in police weapon production.it can annually produce 300,000 pairs of tubular-type handcuffs,500,000 pairs of plate-type handcuffs,100,000 pairs of fetters,and 300,000 shrinking police truncheons,etc.,the police weapon producet has passed ISO9001:2000 quality system certification;FBSK160 anti-moving handcuff and SK 160B plate-type handcuff researched and developed by our company has obrained two state patents ; the products has met the standards and requirements of the US NIJ0307-01, successively exported to Greece,America,Korea,and other countries,deeply trusted and valude by customers at home and abroad.

本公司创建于1982年，注册资金500万元；厂区占地面积18000平方米，建筑面积7000多平方米，年生产管式手铐三十万副，板式手铐五十万副，脚镣十万副，伸缩警棍三十万根等警戒产品的专业厂家，公司生产的警戒产品通过ISO9001：2000质量体系认证；公司自行研制开发的FBSK160防拔手铐和SK160B板式手铐获得国家两项专利；该产品达到了美国NIJ0307-01的标准要求，先后出口到希腊、美国、韩国等国家，深受国内外客户的信赖和好评。

At present, brazing technology are widely adopted at home and abroad . In order to verify the availability and applicability of pulse Nd:YAG laser-welding, a comparison is made between the new technology and the present technology in such aspects as the dismantled torsions, the microstructure and the micro-hardness of the weld area and the heat-affected zone, the maintenance of fabrication precision and assembling precision of the components.

本文首次采用灯泵Nd：YAG脉冲激光进行焊接试验，并和硬钎焊获得的拆卸扭矩、焊缝金相组织、显微硬度等进行了综合对比，结果表明，激光焊接能很好地保证支架和支架轴固有的机械性能、耐磨性、加工与装配精度；激光焊连接可靠，耐拆卸扭矩大，符合整体结构性能要求；焊后无需后续处理，可以作为最终工序，验证了激光焊接的有效性、适用性。

For years, our company has been facing the changeable market of home and abroad with positive attitude and found a technology center of provincial level. Depending on technology progress, our company adjusts the product structures and develops new types and now has formed a series of single-jar diesel engines, IZ series of minisize cultivating machines , walking tractors, 5TD series of multi-functions threshers and cutting shining machine, among which are five unique in Guangxi.

多年来，公司始终积极面对不断变化的国内外市场，创立了自治区级技术中心，依靠科技进步，不断调整产品结构，开发新产品，形成了多系列多品种的主导产品：单缸系列柴油机、耕整机、手扶拖拉机、脱粒机和割晒机，其中五种产品填补了广西的空白，各类产品年生产能力和规模不断扩大。

With its never-ceasing development and expansion of cooperative domain, Lianxin expects to join forces with customers from both home and abroad,so as to create more and better products,and create a better tomorrow for all walks of life.

随着本公司不断的发展，合作领域不断扩大，惠州联欣诚意与海内外客户一起携手合作，共谋发展大略，不断进取与开拓，创造更好更多的优质产品，为社会各界创造更美好的未来。

Following the concept nited, practical, perfect, surpassing? also with the high-quality and low-price products, considerate service, never-satisfied management principle, our company has a good reputation at home and abroad for many years. Our products are sold all over the country and part of them are exported to East South Asia, Middle East and Africa.

多年来，公司遵循&团结、务实、精业、超越&的企业精神，以质优价廉的产品，周到细致的服务，永不满足的经营理念而深受国内外用户的好评，产品畅销全国各地并部分出口东南亚、中东、非洲等地区，&衣友&牌粘合衬被评为浙江省第二届名优产品。

The fourth part, tried, on the base of research results of studiers home and abroad, to use the profession of teachers'info qualifications and teachers'info technology education as theory frame of research, and to make analysis of teachers'info technology education policy, training contents and practical applications of the United States, UK and Japan, in the meanwhile, to point out hints to our middle and elementary school teachers'info technology education.

第四部分，本研究试图在国内外学者研究的基础上，以教师信息素养和教师信息技术教育的专业性作为研究的理论框架，对美国、英国、日本的教师信息技术教育的政策、培训内容及实践等进行了分析，并指出对中小学教师信息技术教育的启示。

On the basis of the results and methods of the researches done at home and abroad the analytical model of finite element has been built according to the formation and behavior of I-section plate girders with stiffeners.

实际工程中的板件由于存在初始几何缺陷或在荷载作用下发生屈曲变形后，便具有了壳体的特征，因此文中采用板壳的曲壳有限元分析方法。

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。