This paper briefly introduces the correct using method of "catalogue classification retrieval" and "keyword retrieval" in Internet search engine.

简要介绍了网上搜索引擎中的“目录分类检索”和“关键词检索”的正确使用方法。

youdao

This paper briefly introduces the correct using method of "catalogue classification retrieval" and "keyword retrieval" in Internet search engine.

简要介绍了网上搜索引擎中的“目录分类检索”和“关键词检索”的正确使用方法。

youdao