查询词典 indexing

In this paper we propose a P2P system for indexing and discovering gird resources.

在本章中，我们会建立一个P2P系统用来检索和转换资源。

In order to make sophisticated cam mechanism into a visualized one and simulate its actual motion state, the equation of curved surface of the contour of globoid indexing cam was established by using spatial gearing principle.

为了将复杂的凸轮机构可视化，实时地模拟其真实的运动状态，利用空间啮合原理，建立弧面分度凸轮的轮廓曲面方程。

Then 3D solid modeling and motion animation of globoid indexing cam based on Pro/ENGINEER and VC++ were realized By modularization design idea.

并采用模块化设计思想，基于Pro/E软件及VisualC++语言进行二次开发，实现了具有真实感的弧面分度凸轮的三维实体造型和运动仿真，为弧面分度凸轮机构的运动性能研究和企业的产品优化设计提供了软件平台。

The production of globoid indexing cam and gas engine burningchamber are employed as refrences to analyze the method to mathematical modeling of complexed functional feature, furthermore, the research work of the character of surface feature production is deeply done .Advancing and optimizing the producting process, as well as the whole simulated machining by making UG NX2. 0 as the supporting system. Building the Fixture Library CAD/CAM Document system and producting template of DMU70V. Exploring the structure and flow chart of the Document System;Developing the MDF File by means of GPM module. All the above provide profound preparation to establish a further integrated manufacturing environment around 5-Axis NC production center.

在本文中，综合论述了特征建模的方法，以弧面分度凸轮和内燃机燃烧室作为实例，重点研究了复杂功能曲面的建模及曲面分析方法；并从五坐标加工角度出发，详细研究了曲面零件的加工特性，提出并优化了具体的工艺过程；利用UnigraohicsNX2.0作为开发工具，对建模和加工过程进行了全程仿真；围绕DMU70V建立了专属夹具库、文件体系及工艺模板；综合规划了五坐标数控加工的CAD/CAM文件体系的结构和运作流程；开发了GPM五坐标后处理DMF文件，为建立以五坐标数控加工中心为主的加工体系打下了良好的基础。

This thesis discusses CAD for globular indexing cam mechanism on base of reverse engineering.

本文是围绕弧面分度凸轮机构CAD中的逆向设计进行的。

Since the scope of this article is limited, I will not go into detail about indexing theory.

因为本文所涉及的范围有限，我并不会详细的介绍索引理论。

The hashing and distribution array are used to seek the potential triangles quickly for decreasing the indexing time.

3在关键的匹配阶段，本文提出了一种基于检索信息的分步匹配方法。

Sphere Grid System, Hexagonal Grid, Address Coding, Sphere Spatial Entity, Sphere Grid Indexing

球面网格系统；六边形网格；地址编码；球面空间实体；球面网格索引

Bitmap indexes include rows that have NULL values, unlike most other types of indexes. Indexing of nulls can be useful for some types of SQL statements, such as queries with the aggregate function COUNT.SELECT COUNT FROM employees

对于select count from tab，全表扫描比使用索引效率要高，经过分析的表cbo会倾向于使用索引，这是oracle软件的判断问题，最好还是不要收集统计信息，让oracle执行全表扫描。

This project cut down the quantity of campaigner of index word and reduces the complexity of automatic indexing in pre-processing.(2) Based on analyzing the relevance of index word, the paper presents a new text categorization model, which is based on the relevance of index term.

这该方案以帕欧理论为依据，减少了自动标引过程中预处理信息量，从而降低了文本标引的复杂度；(2)在对标引词的相关性进行全面分析的基础上，提出了一种新的文本分类的模型——基于标引词相关度的文本分类。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。