最后，给出了倒排索引的分级索引方案。

Finally, give out the multi-level reversal index strategy.

youdao

它包含了搜索引擎和对成千上万页基于内特网信息的大量智能化分类及分级的列表。

It includes a search engine and lots of intelligently categorized and classified listings of thousands of pages of intranet-based information.

youdao

它包含了搜索引擎和对成千上万页基于内特网信息的大量智能化分类及分级的列表。

It includes a search engine and lots of intelligently categorized and classified listings of thousands of pages of intranet-based information.

youdao