查询词典 data base

In this paper, we discuss and resolve several problems, such as: the tansformationg form STEP neutral exchange file to data-base file; pick-up entity information and surface triangulation in ACIS; out-put VRML format file.

本文阐述了其中所包括的STEP中性文件到数据库文件的转换，基于ACIS的实体信息数据提取以及实体表面的三角剖分，VRML格式文件的输出等技术问题及其解决方法。

And then, the exploitation methods and the key techniques of USIS, including data base design, main surface realization, MAPGIS secondary development, OpenGL 3D mapping techniques and digital mapping and intellective analytical technology, are discussed.

介绍了建立地下空间信息系统的目的和意义，论述了USIS的开发方法及其关键技术，包括：数据库技术、界面实现技术、MAPGIS二次开发技术、OpenGL三维图形开发技术、数字制图与智能分析技术等，并结合东深供水改造工程地下空间信息系统进行了开发方法和关键技术的应用研究，最后，对USIS的发展趋势作了较深入的分析，指出了今后研究的几个主要方向。

At the same time, a mass of data during the traditional process of excavator design is stored dividually in different data base, which directly affects the efficiency of excavator design and the implementation of subsequent excavator CAE system.

另一方面，由于挖掘机CAD系统中的大量数据和信息都分散存储在不同系统数据库中，大大影响了设计进程和后续的挖掘机CAE系统的进行。

ISO 10303, is issued by international standardization organization, and here, this paper gives the definition of product structure model oriented part41 and part44 in STEP and content of product structure management in PDM. This paper also presents method of creating and extracting product information on engineering draught and product data exchange and integration between CAD system and database manager system. Moreover, the paper gives a method of organization and manager of data base on product structure.

论文中依据国际标准化组织颁发的STEP标准即ISO 10303中的Part41，Part44两部分内容以及PDM中有关产品结构管理方面的功能含义定义了产品结构模型，实现了工程图样中产品管理信息的建立和提取以及数据库系统与图形文件中的管理信息交换与集成，并以产品结构为核心组织和管理产品结构模型数据。

A data base is a large group of stored, integrated (cross-referenced ) data usually organized in files.

一个数据库就是一大组存储起来的，集成的的数据，通常它们被组织在文件中。

Collecting the explosive data in the past, building an example of data base, and we can analyses the detonating parameter that system designs.

搜集以往的爆破资料，建立实例数据库，与系统设计的爆破参数进行类比分析。

Animals data base for energy potential estimation model and farmer survey data were used in this study to investigate the estimation of Chinese rural household biogas production. On this basis, the biogas yield, family energy consumption, economic profit, and environment profit were compared between biogas household and non biogas household. The results showed that the average biogas yield of Chinese rural household was 450 m3, under 9 months normal working period annually.

该文利用能值潜力估算动物数据库的模型理念，并结合实地调查数据，探索了2007年中国农村户用沼气池产气量的估算方法，在此基础上对比分析了沼气池建设前后，农户家庭能源消费结构、能源经济支出和生态环境的差异。

Telling us how to apply data-base,software engineering,data structure and programmer knowledge to complish a simple project.

讲述了怎样综合应用数据库原理、软件工程、数据结构和程序设计这些学科的知识，构造一个简单的工程。

Commonly, the data source is a data base, but it could also be a text file, an Excel spread sheet, or an XML file.

通常情况下，数据源是数据库，但它同样也能够是文本文件、Excel表格或者XML文件。

Analysing the characteristics of the technology equipment for making the rectangle spline broach and the data for the rectangle spline broach"s technological design, selecting a programme for realization CAPP systems which is based on the management by data base, this CAPP system is composed of these models: the model of calculating the semi-finished product"s dimensions, the model of filling the manufacture process form, the model of filling the working procedure

分析了矩形花键拉刀制造过程中工艺装备的特点及其工艺设计所需要的各种资料和数据，选用了基于数据库的后台管理模式的由毛坯尺寸确定、过程卡填写、工序卡填写、时间定额确定、过程卡导入、工序卡导入等模块组成的计算机辅助工艺系统实施方案。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。