文摘

It deals with the operation,calculation principle and steps in the application of transit polar setting-out in highway constructions.

文摘：介绍经纬仪极坐标放样法在公路施工应用中的操作方法，计算原理及步骤等。

A sentence extraction method based on BE vector clustering is proposed. In this method, BE is employed as content unit. The evaluation results on DUC2004 task 2 show that this method is better than that uses word as content unit.

提出了基于基本要素向量空间聚类的文摘句抽取方法，该方法的特点在于它是以基本要素为内容单元的，在DUC2004任务2上的评测结果显示，其效果要好于以词为内容单元。

Based on the electronic focus technology development of state-of-the-art,the paper suggested a complete apparatus s cheme ofauto-focus based on SSPD(self-scanned photodiode array)and 8098 singl e chipprocessor,giving out a focus criterion algorithm based on image high freq uencystatistics.The function of auto-focus of both reflected and transparent o pticalmicroscope was realized.Meanwhile some corresponding problems such as sta bility of lightsource,step motor driving etc.were also discussed,which greatly improved the accuracy andreliability of the system.

文摘：在介绍与分析了国内外电子调焦系统的技术发展与现状的基础上，提出了一种基于SSPD与8098单片微处理器自动调焦的整体技术方案，给出了基于图像高频成分统计的聚焦判识算法，在此基础上实现了反射式与透射式光学显微镜的自动调焦，同时对系统的可靠性有关的其它相关问题如光源稳定性、步进电机驱动等问题也进行了讨论。

On the basic assumption of WENCAL,using pre-param eter method,the equation calculating multi-element beam of different section and ela sticity modulus on different groundsill are given in this paper.The programming language is QBASIC.The results of example show that the calculation is correct and reasonable.

文摘：依据文克尔基本假定，利用初参数法推导出不同地基及不同地基梁截面弹性模量的多单元弹性地基梁计算公式，并用已编制的QBASIC语言计算程序，通过实例计算，结果正确、合理。

By applying the system reliability and ergonomics theory, the reliability mod el of the man-machine-environment system of roadway sub-level caving in steep seam is set up, and the calculation formulas for the usability and pro duction capacity of the system are also provided.

文摘：应用系统可靠性和人-机工程学理论，建立了急倾斜煤层巷道放顶煤人-机-环境系统可靠性模型，给出了系统可用度和生产能力的计算公式。

By applying the system reliability and ergonomics theory, the reliability mod el of the man-machine-environment system of roadway sub-level caving in steep seam is set up, and the calculation formulas for the usability and pro duction capacity o

文摘：应用系统可靠性和人-机工程学理论，建立了急倾斜煤层巷道放顶煤人-机-环境系统可靠性模型，给出了系统可用度和生产能力的计算公式。

The paper introduces the main characteristics and advanced technology of the casting and rolling machine in BOHAI aluminium company.

文摘：介绍了渤铝公司引进法国PECHINEY公司研制的3C铝板铸轧机的主要特点和先进技术。

Shear force is interrelating with width and thickness of plate and obliquity of knife-edge.

文摘：斜刃剪切时，剪切力的大小与板料的宽度、厚度及斜刃倾角有关。

In this paper, the author discusses the origin and the development of the aseismic design medel code,approaches the role and the characteristics of the model code, points out the necessity and the ways of drawing up and developing the model code in China, and puts forward a set of relatively complete classification of engineering structure operation function based on the performance design, and proposes the principles, framework and the methods of aseismic design classification.

文摘：论述了抗震设计样板规范的由来和发展，探讨了样板规范的作用和特点，提出了在我国编制和发展样板规范的必要性和途径，且提出了一套较完整的、基于性态设计的工程结构使用功能分类和抗震设计分类的原则、框架和方法。

The "Pinewood Derby," for half a century "a celebrated rite of spring," has been named part of "America's 100 Best" by Reader's Digest magazine.

而长达半个世纪以来一直由童子军组织的&春季庆典活动&——松木车德比大赛，则被美国《读者文摘》评为美国百佳庆典活动之一。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。