索引文件

Random Access Document Indexing and Retrieval?

随机存取文件索引与检索系统

Indexed Sequential File.

索引顺序文件

In addition, a new synchronization scheme, Double-Timestamp Transaction-Level Synchronization model is put forward to solve the synchronization problem under the 3-tier replication architecture (Mobile Client - Synchronization Server - Database Server). DTSTLS utilizes a novel double-timestamp strategy to promote the efficiency of synchronization. Besides, it ensures serializability and consistency of the mobile database system through transaction-level conflict reconciliation.Mobile transaction processing is another key technology to provide efficient information service in mobile computing environment.

通过引入一种乐观并发控制方法与两段锁协议相结合的移动事务处理机制，本文重点解决了交互式长事务的问题，并提供了对移动主机任意移动性和数据库系统一致性的支持；在移动对象数据库方面，本文提出了一种新的移动对象数据库模型—离散时空轨迹移动对象数据库模型，重点阐述了DSTTMOD模型中的位置表示方法及位置更新处理策略，并分别给出了基于GRID文件和基于QUAD树的移动对象索引算法。

When front courtyard careful, the agent of Yahoo net expresses, when Yahoo net searchs engine to search a picture, be search the webpage that contains picture information automatically from Internet, the accord with of unified resource fixed position that extracts picture file from which, generate a skeletonize automatically to pursue, in collecting picture index database.

庭审时，雅虎网的代理人表示，雅虎网搜索引擎搜索图片时，是从互联网上自动搜索到含有图片信息的网页，并从中提取出图片文件的统一资源定位符，自动生成一个缩略图，收录到图片索引数据库中。

The metadata management server, which we call manager, is responsible for storing and maintaining system metadata(including file inodes and superblock), and it also records the data location in the clients' caches so as to preserve cooperative cache coherence.

元数据管理服务器除了存储及维护系统元数据（如文件索引节点和超级块）外，还记录了数据缓存位置，并维护合作式缓存的一致性。

In addition to the Flash file, it also creates a simple text-only version, which can help with search engine indexing of your site.

除了 Flash 文件之外，该软件还可以制作一个简洁的仅文本版本的网页，该网页有助于搜索引擎索引你的网站。

Provides over two dozen indexed and unindexed text search options for all popular file types.

提供超过两打的索引和未与文本搜索选项为所有流行的文件类型。

You update your working directory from the index by "checking out" files.

从索引中刷新你的工作目录是通过"提取出"文件的方法。

A user enters search terms,typically by typing a keyword or phrase,and the search engine retrieves a list World Wide Web sites,personal computer files,or documents,either by scanning the conter stored on the computers or computer networks being searched or by parsing an index of their stored data.

用户输入搜索项目，通常是通过录入一个关键词或短语，搜索引擎通过扫描被搜索的计算机和计算机网络，或者分解他们数据的索引，返回万维网站点、个人电脑文件或文档的列表。

You can then search for files on the indexed server as if it were your own local PC.

然后，您可以搜索的文件对索引服务器好像它是您自己的本地PC上。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。