为最常用和最重要的查询创建覆盖索引。
Create a covering index for often-used, high-impact queries.
注意编写7个不等式作为5个不必有序的决策变量的和太过繁琐了，因为在某些约束中，索引可能会覆盖索引值7。
Note that it would be too boring to write seven inequalities as a sum of five decision variables that are not necessarily in order, because in some constraints, the index may overlap the index 7.
因为索引会带来额外的数据更新开销，所以应该争取创建少量索引来覆盖尽可能多的查询。
Because each index incurs extra data updating overhead, the goal should be to create a small number of indexes to cover as many queries as possible.
索引结构可以为个别包查找提供良好的性能，但SACK选项可能会覆盖包括多个包在内的任意多的字节数。
The index structure will give good performance looking up individual packets, but a SACK option can cover arbitrary byte ranges that include multiple packets.
另谷歌担心的是微软会借助自己在民用电脑和浏览器上的覆盖率修改默认设置，这将不利于谷歌的搜索引擎和其它的服务项目。
Google's fear has been that Microsoft might use its grip on people's computers and browsers to tweak the default Settings so that Google's search engine and other services might be disadvantaged.
为实现更广的覆盖范围，微软推出了必应，其最近升级的搜索引擎，向更多的用户提供搜索服务。
The extended reach will allow Microsoft to introduce Bing, its recently upgraded search engine, to more people.
尽管web页面的库存量有了巨大的增长，当仍没有任何一个搜索引擎能够覆盖覆盖互联网网页总量的一半。
Although their web pages databases greatly increased, there is still no a search engine which can cover more than half amount of web pages on Internet.
在更新率和覆盖率等关键性能上当前的搜索引擎多年来几乎没有任何明显的改进。
This condition hasn't changed for many years. Converge and recency problems have become the bottleneck problem of current web search engine.
从这个简单的任务，我们明白首先一个核心群体的大的且高度引用的期刊需要在新的科学引文索引(SCI)中被覆盖。
From this simple exercise, we learned that initially a core group of large and highly cited journals needed to be covered in the new Science Citation Index (SCI).
《工程索引》年刊是以条目摘要形式编辑而成的技术文献检索工具。 其内容覆盖世界范围内所有工程领域。
The Engineering Index Annual is an organized compilation of bibliographic citations and abstracts covering the world's technological literature in all engineering disciplines.
通过这个新的系统，搜索引擎能够实现更大规模的网页覆盖和更快的索引更新，从而提高更好的搜索服务。
Through the new system, the search engine can implement larger scale Web covering and faster index updating, and provides better searching service.
目前没有一个网页搜索引擎可以覆盖超过60%的互联网全部网页，而几乎每一个搜索引擎的数据更新周期都在一个月左右。
Now no a search engine can cover more than 60 per web pages on the Internet. The update interval of most system is almost one month.
为提高用户查询信息的覆盖面和检索结果的准确性，一种建立在搜索引擎之上的元搜索引擎成为目前研究与开发的热点。
To improve the coverage of user search information and the accuracy of the search results, people start to pay special attention to Meta Search Engine based on search engine.
但是随着因特网海量数据的产生，致使目前最好的搜索引擎其全球网页覆盖率也只有30%左右。
However, along With vast number of data coming into being in Internet, the best search engines only have no more than 30% coverage of global web pages.
因此，如何设计研发一款能够准确抓取博客页面，较大程度上覆盖博客资源，更新及时的博客搜索引擎就成为目前搜索引擎研究领域的热点和挑战。
So how to design a type of search engine that can crawl blog pages accurately, cover blog resourses entirely is becoming the hot topic and the challenge in the search engine studying area.
有时发现你写了很长的文章，覆盖了一些不同的话题，它们的相关性并不高，所以在搜索引擎上的排名也不好。
Sometimes find you write a long article, covering a number of different topics, their relevance is not high, so in search engine rankings is not good.
目前没有一个网页搜索引擎可以覆盖超过60%的互联网上全部网页，而大部分的网页数据库更新周期都在一个月左右。
Now no web search engine can cover more than 60 percent of all the pages on Internet. The update interval of most pages database is almost one month.
目前没有一个搜索引擎能够覆盖所有的WWW资源，而且大部分搜索引擎的索引平均只能涉及到整个WWW资源5% - 20%左右。
At present no-one search engine has been able to cover all WWW resources, moreover the majority of search engines can commonly index only about 5%-20% of the entire WWW resources.
主题网络机器人并不仅把目标定位覆盖率，还要提高获取主题相关网页的准确性，为搜索引擎提供一个主题相关的网页库。
The main goal of topical web robot is not only to fulfill the recall rate, but also to improve the precision rate, providing search engine with a topical web warehouse.
本文详细阐述了进行主题驱动搜索的索引结构、主题聚类方法、主题覆盖网络的构造与维护算法。
This paper presented a topic driven search mechanism to improve the search capacity of the existing structured P2P system.
爱搜， 覆盖面最广、更新速度最快的视频搜索引擎，提供一站式的搜索体验，全网视频 一网打尽。
Offers a single source to search the Web, images, audio, video, news from Google, Yahoo! , Bing, and many more search engines.
爱搜， 覆盖面最广、更新速度最快的视频搜索引擎，提供一站式的搜索体验，全网视频 一网打尽。
Offers a single source to search the Web, images, audio, video, news from Google, Yahoo! , Bing, and many more search engines.
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