crawler

简明释义

英[ˈkrɔːlə(r)]美[ˈkrɔːlər]

n. 爬行者；履带牵引装置

英英释义

单词用法

同义词

反义词

例句

1.The Sitemaps 0.90 protocol offers the option of a Sitemaps index file to be provided to the crawler as well.

Sitemaps 0.90提供了一个选项，可以把Sitemapsindex文件提供给爬虫程序。

2.We can see that this file-based discovery complements UDDI, and may be used in a crawler-like fashion by clients.

我们可以看到，这种基于文件的发现对uddi是一个补充，而且可以被客户以类似crawler的方式使用。

3.The mighty Crawler, which ferried Shuttles to the launchpad, will be reduced to hauling more terrestrial freight around the Space Center.

把航天飞机运到发射台的巨大的“爬行者”，将重新做航天中心附近更多的陆上牵引。

4.Define the crawler name (UNIX file system crawler 1, for example), as shown in Figure 7, and then click on the Next button.

定义爬虫名称(例如，UNIXfilesystemcrawler1)，如图7所示，然后单击Next按钮。

5.Use the OmniFind database crawler wizard to configure a crawler to access the VSAM content through the nickname.

使用OmniFind数据库crawler向导来配置一个crawler，从而通过昵称访问VSAM内容。

6.What you need to do, in short, is to generate a list of page references (URLs) for a crawler to fetch.

简而言之，我们需要做的就是生成一个页面引用列表（URL），爬虫程序通过这个列表获取信息。

7.Next, navigate to the crawler details page and click 'Start full recrawl', as shown at the bottom of Figure 3.

接下来，导航到爬行器的细节页面并单击“Startfull recrawl”，如图3底部所示。

8.The following steps show you how to create the collection and the crawler, and to get it started

以下步骤演示如何创建集合和爬虫，准备开始

9.The web crawler is designed to index all the pages on the internet.

这个网络爬虫旨在索引互联网上的所有页面。

10.Our SEO team uses a crawler to analyze our website's performance.

我们的SEO团队使用爬虫来分析我们网站的表现。

11.The search engine crawler visits your site regularly to check for updates.

搜索引擎的爬虫定期访问你的网站以检查更新。

12.You can use a crawler to gather data from multiple web sources.

你可以使用爬虫从多个网络来源收集数据。

13.Some websites block crawlers to protect their content.

一些网站阻止爬虫以保护他们的内容。

作文

In the world of technology, the term crawler (爬虫) is often used to describe a type of software program that automatically browses the internet and collects information from various websites. This process is essential for search engines like Google, Bing, and Yahoo, as it allows them to index the vast amount of content available online. Without crawlers (爬虫), it would be nearly impossible for users to find relevant information quickly. A crawler (爬虫) operates by following links from one webpage to another, much like how a human might navigate the web. When a crawler (爬虫) visits a website, it downloads the page content and analyzes it for keywords, metadata, and other important elements. This data is then stored in a database, which search engines use to display results when users enter queries. The efficiency of a crawler (爬虫) is crucial for maintaining up-to-date search engine results. Websites are constantly changing; new content is added, old content is removed, and existing content is updated. A well-designed crawler (爬虫) can quickly identify these changes and ensure that the search engine reflects the most current information available. However, crawlers (爬虫) are not without their challenges. Some websites employ measures to block or limit crawlers (爬虫) from accessing their content. This can be done through the use of robots.txt files, which instruct crawlers (爬虫) on which pages they are allowed to visit. Additionally, some websites may require user authentication, making it difficult for crawlers (爬虫) to gather information. Despite these challenges, crawlers (爬虫) play an indispensable role in the digital landscape. They not only help search engines function effectively but also support various applications, such as data mining and market research. Businesses can leverage crawlers (爬虫) to monitor competitors, gather insights about consumer behavior, and identify trends in their industry. In conclusion, the concept of a crawler (爬虫) is integral to our understanding of how information is organized and accessed on the internet. As technology continues to evolve, so too will the methods and capabilities of crawlers (爬虫). They will remain a vital tool for navigating the ever-expanding digital universe, ensuring that users can find the information they seek with ease and efficiency.

在科技领域，术语crawler（爬虫）通常用来描述一种自动浏览互联网并从各个网站收集信息的软件程序。这个过程对于像谷歌、必应和雅虎这样的搜索引擎至关重要，因为它使得它们能够索引在线可用的大量内容。如果没有crawlers（爬虫），用户几乎不可能快速找到相关的信息。 crawler（爬虫）通过从一个网页跟随链接到另一个网页来工作，就像人类浏览网络一样。当crawler（爬虫）访问一个网站时，它会下载页面内容并分析关键词、元数据和其他重要元素。然后，这些数据被存储在数据库中，搜索引擎使用这些数据在用户输入查询时显示结果。 crawler（爬虫）的效率对于保持最新的搜索引擎结果至关重要。网站不断变化；新内容被添加，旧内容被删除，现有内容被更新。一个设计良好的crawler（爬虫）可以快速识别这些变化，并确保搜索引擎反映出最新的可用信息。 然而，crawlers（爬虫）并非没有挑战。一些网站采取措施阻止或限制crawlers（爬虫）访问其内容。这可以通过使用robots.txt文件来实现，该文件指示crawlers（爬虫）允许访问哪些页面。此外，一些网站可能需要用户身份验证，这使得crawlers（爬虫）收集信息变得困难。 尽管面临这些挑战，crawlers（爬虫）在数字环境中扮演着不可或缺的角色。它们不仅帮助搜索引擎有效运作，还支持各种应用，如数据挖掘和市场研究。企业可以利用crawlers（爬虫）监控竞争对手，收集消费者行为的洞察，并识别行业趋势。 总之，crawler（爬虫）的概念对于我们理解互联网信息的组织和访问至关重要。随着技术的不断发展，crawlers（爬虫）的方法和能力也将不断演变。它们将继续作为导航不断扩展的数字宇宙的重要工具，确保用户能够轻松高效地找到所需的信息。