传统的网络信息检索存在很多缺陷，导致检索效率低下。
Many flaws of traditional Internet Information retrieval result in the low efficiency.
结论：UMLS能提高医学和通用搜索引擎及文献检索软件的检索效率。
Conclusion: UMLS can promote the search performance of medical, general, and documents search engine.
可以通过互联网进行数据库的检索，提高了数据库的应用效率。
It can be search by the Internet and enhanced the application efficiency of database.
这是非常重要的搜索引擎来检索和索引效率。
It is important for a search engine to crawl and index efficiently.
这是非常重要的搜索引擎来检索和索引效率。
It is important for a search engine to crawl and index efficiently.
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