索引编号只是文件相关信息中一项重要的内容。
The inumber is only one important item of information for a file.
这个文件包含了索引项在每个文档中出现的位置信息，你可以利用这些信息来参与对索引结果的排序。
This file contains the list of positions at which the term occurs within each document. You can use this information to rank the search results.
所以，可以提取关于在选择某种网格大小时在哪个网格层次上将生成多少索引项的信息，而不必真正创建和物化索引。
So you can extract the information how many index entries would be generated on which grid level if you choose certain grid sizes — without actually creating and materializing the index.
这是索引文件里面最核心的一个文件，它存储了所有的索引项的值以及相关信息，并且以索引项来排序。
This core index file stores all of the terms and related information in the index, sorted by term.
这将避免为了收集统计信息而进行的另一项索引扫描。
This avoids another scan of the index in order to gather statistics. The following examples illustrate some of the options available to do this.
如果Lucene在索引项信息文件中发现有索引项和搜索词相匹配。
If Lucene finds a term that matches the search word in the term information file, it will visit the list in the frequency file to find which documents contain the term.
在目前有关信息检索技术的研究中，全文本数据库上的索引压缩技术是一项新的研究领域。
At present the information search method based on data compression is a new study point in the information search techniques.
当这个过程最后为一项任务达成了一个满意的解决方案时，搜索引擎和为用户提供信息及结果的网站就为用户提供了一次极佳的用户检验。
When this process results in the satisfactory completion of a task, a positive experience is created for the user, the search engine, and the site providing the information or result.
当这个过程最后为一项任务达成了一个满意的解决方案时，搜索引擎和为用户提供信息及结果的网站就为用户提供了一次极佳的用户检验。
When this process results in the satisfactory completion of a task, a positive experience is created for the user, the search engine, and the site providing the information or result.
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