抓取网页密码，VC源码，系统控制，希望对你有帮助。
Crawls website password, VC source, system control, and I hope to help you.
蜘蛛软件的抓取网页寻找新的收集和添加到搜索引擎指数'。
The spider software 'crawls the web looking for new pages to collect and add to the search engine indices'.
“无限空间”是谷歌机器人在爬行和抓取网页时经常碰到的问题。
"Infinite space" is a frequent problem that Googlebot faces when it crawls the web.
说明：抓取网页内容中指定正则内容。 对做网页抓取开发可以借见。
Crawl web content specified in the regular content. Do the robot developed by see.
然而目前的主题爬虫所采用的两种基本抓取网页的方式效率比较低下。
However the current two ways of web crawling used by focus crawler are low efficiency.
但抓取网页然后提供利用网页信息的服务，并且没有说明出处，可能就是非法的了。
But scraping of the page and then offering a service that leverages the information without crediting the original source, is unlikely to be legal.
使用Zend_HTTP _ Client从互联网抓取网页，并将它们保存到您的提要阅读器中。
Use Zend_HTTP_Client to grab web pages from the Internet and save them into your feed reader.
在抓取网页的同时进行索引更新，意味着在新文档不断加入时，需要对已有的总文档库进行持续地更新。
Updating an index of the web as documents are crawled requires continuously transforming a large repository of existing documents as new documents arrive.
有了这个代码，用户就能够选择是否要保存提要条目和网页的全文，现在惟一余下的事情是用于抓取网页的代码(使用Zend_HTTP _ Client)。
With the code in place for users to choose to save the full text of feed entries and web pages, the only thing missing is the code that grabs the web page using the Zend_HTTP_Client class.
运用Percolator,Google可以在抓取网页文档的同时来对文档进行处理，从而将平均延迟降低为原来的百分之一，平均文档寿命(document age)降低50%。
With Percolator, Google is now able to process documents as they are crawled, reducing the average latency by a factor of 100 and the average age of the document by 50%.
它也提供了网页标注，点击抓取任一个网页然后在其上标注。
It also provides web page Annotation, just click to capture any web page then draw and annotate on top of it.
一般说来，我们想利用ajax异步抓取实时监控数据并更新仪表板图表，而无需重新加载整个网页。
Generally, we want to take advantage of Ajax to asynchronously grab real-time monitoring data and update our dashboard charts without the Web page fully reloading.
页面抓取本质上是HTML页面的反向工程，也可以看成页面解释器，网页以HTML编码，HTML以树型结构表示信息，实际数据与布局代码以及效果信息混杂在一起，不能被计算机直接利用。
It can also be thought of as parsing out chunks of information from a page. Web pages are coded in HTML, which uses a tree-like structure to represent the information.
metarobots标签是如何影响搜索引擎爬虫抓取、索引并显示网页的？
How can the meta robots tag impact how search engines crawl, index and display content on a web page?
它们通过分析网页特定的标注方式找到实际数据，例如，下图给出了抓取器怎么抓取del . icio . us的页面的示意图。
They work by learning the details of the particular markup and figuring out where the actual data is. For example, in the illustration below the scraper extracts URLs from the del.icio.us.
百度蜘蛛几乎天天都会访问我的论坛，并且至少抓取几十个网页。
Baidu spider can visit my forum everyday almost, and at least capture a few webpages.
说明：用VC从网页抓取天气预报信息，内含可执行文件，及中国城市编码对应。
Crawling with VC weather information from the web, containing an executable file, and the Chinese city codes correspond.
Meta标签，这是嵌入在您网站的HTML，通知搜索引擎抓取您的网站的特定网页是关于什么。
Meta tags, which are embedded in the HTML of your site, notify search engines crawling your site what a particular page is about.
请注意，该网站的抓取工具无法抓取安全网页。
页逐页检索可以通过使用网页抓取内容源，但这只能是与公共门户网站的页面上使用。
Page-by-page crawling can be achieved by using the web crawler content source but this can only be used with public Portal pages.
他们的做法包括：智能导航存档的网页，因为它们被抓取。
Their approach to intelligent navigation included the archiving of webpages as they were crawled.
改善指数的涵盖范围是不是瞬时，因为它需要一些时间，为的网页抓取，索引。
Improved index coverage is not instantaneous as it takes some time for the pages to be crawled and indexed.
传统的聚焦爬虫抓取的目标是与某一特定主题内容相关的网页，而在有些应用中，如网络目录，更多的是给用户提供主题相关网站。
Traditional focused crawler is targeting web pages that are relevant to some specific topics. But some applications, such as web directory, are providing users with relevant websites.
代码设置不妥不仅延长网页加载时间，也严重影响蜘蛛程序对网页内容的抓取。
Inappropriate setting of code can not only prolong the loading time of the web pages, but also severely influence Spider Programme's grasp of the web page contents.
聚焦网络爬虫并不追求大的覆盖，而将目标定为抓取与某一特定主题内容相关的网页，为面向主题的用户查询准备数据资源。
The main goals of focused web crawler are to get more web pages which are correlative with a certain topic and prepare data for users querying.
聚焦网络爬虫并不追求大的覆盖，而将目标定为抓取与某一特定主题内容相关的网页，为面向主题的用户查询准备数据资源。
The main goals of focused web crawler are to get more web pages which are correlative with a certain topic and prepare data for users querying.
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