Gives the comparative analysis of index expansion rate, creation time and search response speed by experiment, the result shows that this technique improves the index space and time efficiency.

通过实验，对索引膨胀率、创建时间和检索响应速度进行了对比分析，表明该技术提高了索引的空间与时间效率。

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The search results are commonly adopted for various functional and comparative genomics tasks such as annotating unknown sequences, investigating gene models and comparing two sequence sets.

搜索结果通常被用于各种功能基因组学和比较基因组学任务，例如注释未知序列，研究基因模型和比较两个序列集合。

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Literatures in comparative study, exploitation and utilization, quality and performance evaluation, and problems existing in search engines are all covered.

对于国内外搜索引擎的比较研究、开发利用、搜索引擎的质量和性能评价、搜索引擎的选择等，均有大量文献报道。

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ReachLocal roll out a new offering that will not only allow act as a vetting service and comparative search engine for consumers to find plumbers, locksmiths and repair personnel (those indispensable heroes of modern life), but a means to control and pay for the entire transaction.

FORBES: Never Get Pushed Around By Your Local Repairman Again

The Department of Justice said the allowances given by Google would ensure robust competition between other providers of comparative flight search sites.

FORBES: Morning Tech Wrap: Apple, Verizon, Google