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- Geometric Data Base 几何数据库
- Mark all of the geometric data out-of-date. 标记网格几何对应的几何形状改变,相应数据失效。
- In a data base, the smallest unit of data that can be referred to. 在数据库中，可被访问的最小数据单位。
- The overall logical organization of a data base. 一种数据库的总体的逻辑结构。
- Principle and application of engineering data base. 工程数据库原理及应用。
- The demonstration program of data base query. 数据库查询示例程序
- One moment. While we connect our data base. 稍等,连接数据库。
- Data Base Error reading sector on hard disk. 在硬碟上有错误的磁区而阻碍正确档案的读取。
- In data base terminology, a single instance, for example, a set occurrence, a record occurrence. 在数据库术语中，一个单一实例，例如，一组具体值，一个记录的具体值。
- EDB is important to the integration of CAD/CAE and to keeping the consistency of geometric data in CAD and CAE. 为了解决CAE零部件实体建模困难的问题,研究开发了基于统一工程数据库的CAD/CAE集成系统。
- This plug-in gives AutoCAD the ability to import geometric data from ASCII IGES files. 另外，在贴中看到一个软件 IGES Import for AutoCAD is a plug-in for AutoCAD.
- In a relation data base, the number of tuples in a relation. 关系数据库中，一个关系的元组数目。
- In order to integrate the basic geometric data and high level information, it is important for CAX system to use part information model. 零件信息模型在CAX技术中起着十分重要的作用 ,实现了对零件底层几何信息和高层非几何信息的集成。
- A logical sub-division of a data base that contains all occurrences of stipulated data aggregates. 数据库中的一种逻辑子域，它包含了有约定的数据的聚集的全部(具体)值。
- In a data base,the smallest unit of data that can be referred to. 在数据库中，可被访问的最小数据单位。
- The concept of ellipse is extended to hyperbolic space and the equation is discussed. Some geometric data of ellipse, such as symmetries, will be considered. 摘要在双曲空间中引进相应的椭圆概念、讨论椭圆的方程，并对椭圆的对称性等几何性质做出细致考察。
- A name used to identify the data unit in a data base. 用于标识数据库中数据单位的名字。
- The 3D triangular mesh data provide important data structure for representing three-dimensional models.The mesh data consist of topologic data and geometric data. 完整的三维影像资料，包含几何资料及拓朴资料，整合这两部份之资讯才可以构成一个三维网格曲面。
- Compared with the previous version, perfected Turkish data base. 与前一版本相比完善了土耳其语文本库。
- Some geometric data of ellipse in hyperbolic space are considered, such as set inclusion, arc length, geodesic curvature, curvature, area and total curvature. 在双曲空间中，考察椭圆的包含关系，对弧长元素、测地曲率、曲率、面积及全曲率等几何量做出细致考察。
