Primary search engines的意思|示意

The search engine, combined with the personalization and the recommendation engines, are the primary components in the infrastructure of an efficient IP-TV portal.

搜索引擎以及个性化和建议引擎是高效的IP - tv门户的基础设施中的主要组件。

The report also shows that the recommendations from search engines and social Web sites are the primary means by which videos are publicized.

报告还显示，通过搜索引擎推荐和社交圈子推荐是用户获知视频内容的最主要途径。