阐述

This paper expounds the necessity of construction of teaching reference book database in academic libraries, and probes into some key problems in process of the construction, such as collection of the booklist, database construction criterions, data maintenance and update, copyright protection etc.

摘要本文阐述高校图书馆建立电子教参书资源库的必要性，探讨在建设电子教参书资源库过程中必须注意的若干问题，包括：教参书书目采集问题、建库标准和规范问题、数据维护与更新问题及版权问题等。

Then,it discusses the method of Parametric Design of E·P and Boolean operation in the parametric design.

阐述了建立电除尘器参数化模型的意义，介绍了ANSYS参数化设计语言APDL、ANSYS命令流及电除尘器的结构特点，并讨论了电除尘器参数化建模的方法及参数化建模中的布尔运算。

Chapter two looks at how Boorstin connects the past, the present and the future with "way of life "as the clue.

第二章阐述了布尔斯廷如何以"生活方式"为线索，把过去、现在和将来这三个世界紧密地联系在一起。

Through the construction of the sea wharf bridge approach piling works of Shenneng Oil Depot Project in Qinzhou, the article expounds the basic sea piling construction procedure and techniques of bore-hole wall protection by steel pipe and hole-excavation by hand.

文章通过深能钦州码头油库工程海上码头引桥桩施工的工程实例，阐述钢护筒护壁人工挖孔在海上基桩施工的基本工序及施工工艺，证实钢护筒护壁人工挖孔施工工艺，在地层简单的浅海场地，是一种行之有效且无污染、机具简单、成本低、进度快的施工方

Additionally, it studies deeply technics of mining coal bed methane by drilling borehole down the...

本论文论述了煤层气的赋存及其影响因素，阐述了煤层气的评价内容和方法。

By using "BoTe model", the article analyses the competition structure and situation of the Chinese retail business after the entry to WTO, and puts forward the corresponding countermeasure.

运用"波特模型"分析"入世"后中国零售业的竞争结构和态势，阐述我国零售业的现状及弊端，并提出相应对策。

Based on the analysis of the characteristics of the compensation directions for boundary curve s in rapid prototyping direct slicing, a new method, which can determinate the compensation direction by converting the boundary curve to beeline polygon,is proposed.

在分析快速成型制造中直接切片真实边界曲线补偿方向特点的基础上，提出了一种将曲线边界转化为直线多边形进行补偿方向判定的方法，并阐述了该判定方法的几何意义。

Based on the analysis of the characteristics of the compensation directions for boundary curves in rapid prototyping direct slicing, a new method, which can determinate the compensation direction by converting the boundary curve to beeline polygon, is proposed. The geometric signification of the polygonal method is demonstrated.

在分析快速成型制造中直接切片真实边界曲线补偿方向特点的基础上，提出了一种将曲线边界转化为直线多边形进行补偿方向判定的方法，幷阐述了该判定方法的几何意义。

Firstly, relative research status quo home and abroad is summarized. The contents and developments relevant to this research of the two theories are introduced. Then the boundary of entrepreneur, entrepreneurial form and the development of entrepreneur are discussed.

首先，对国内外的研究现状进行了综述，详细介绍了两大基础理论中与本研究相关的内容与发展，并进一步对创业者进行了界定，阐述了创业者创业的表现形式及其成长历程。

This article elaborates the full-scale test at present electric railway bow net system, designs a new control system to fall the Pantograph fall and introduces a home unusual, controlled Pantograph fall in the busy host skeleton line. This research provides reference for the furthur study of bow net protection system by artificially creating the real appearance of bow net relations.

从实际试验出发，阐述了在目前电气化铁路弓网系统中，对弓网保护装置所起作用的一种验证方法，同时构思和设计了一种新型的受电弓滑板掉块控制系统，并介绍了一次国内少有的、在繁忙主干线上控制受电弓滑板掉块造成人为弓网关系再现的真实过程，为进一步开展弓网保护系统研究提供参考。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。