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.

youdao

XML 对象信息包含了已索引的对象的位置信息。

The XML Object information contains the location information for the indexed object.

youdao