同时本文还分析了虚拟手常规的抓取过程，提出了相应的抓取算法。
In addition, common process of virtual grasping has been analyzed and a new grasping algorithm has been presented.
抓取算法的研究对提高系统性能，减轻操作者的劳动强度具有重要意义。
The research of grasp algorithm has important meaning to the system enhancement and labor intensity relief.
答：不同的搜索引擎使用不同的算法来抓取和索引的网站。
Answer: different search engines use different algorithms to crawl and index sites.
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