As the core of the search engines, web spider laid the foundation for it.

而网络爬虫作为搜索引擎核心部分，为搜索引擎的功能实现奠定了基石。

youdao

As the core of the search engines, web spider laid the foundation for it.

而网络爬虫作为搜索引擎核心部分，为搜索引擎的功能实现奠定了基石。

youdao