This paper analyzes the tunnel problem during the best-first search strategy, designs and realizes an ontology based theme crawler system.
分析了最好优先搜索策略中遇到的隧道问题，设计并实现了一种基于本体的主题爬虫系统。
The experiments verified efficiency of web crawling and accuracy of pages classification. Additionally, we describe an incremental update crawler system in Deep Web.
并通过实验证明，该方法具有网页抓取的高效性以及页面分类的准确性。
Then a topic crawler system was designed and implemented, employing topic sensitive Hyperlink-Induced Topic Search (HITS) to predict the priority of fetched Web pages.
在此基础上设计并实现了一个主题爬虫系统，该系统利用主题敏感HITS来计算网页优先级。
This paper provides a Maintaining WAP Site Crawler system. This system can automatically traverse the WAP site, parse every page in the site and check syntax and semantic faults.
本文提出了一种维护WAP网站的网络爬虫系统，该系统可以自动遍历WAP网站，并对网页进行分析，检查语法和语义的错误。
It is of great significance for researchers to study the information collection related topical crawler system to ensure the topical search engine returns the information accurately.
为保证主题搜索引擎返回信息的准确性，开展对承担主题相关信息采集任务的主题爬虫系统研究具有重要意义。
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，UNIXfilesystem crawler1)，如图7所示，然后单击Next按钮。
There are few systematical formulas to calculate the roller number and the distances between rollers in crawler travel system of rotary pile drill.
旋挖钻机履带式行走装置支重轮之间的距离及其数量的多少，尚缺少系统的计算公式。
Problem to determine steering power of pump-motor system, the kernel in infinite steering mechanism of military crawler vehicles, is studied in the article.
研究军用履带车辆无级转向机构核心部件泵-马达系统转向功率的确定问题。
Select UNIX file system as the crawler type, as shown in Figure 6, and then click on the Next button.
选择UNIXfilesystem作为爬虫类型，如图6 所示，然后单击Next 按钮。
The paper proposes a concept space-based subject crawler structure, which is used to a rapid, effective subject information search robot system.
采用了基于概念空间的主体爬虫结构，构造了一个快速、有效的主题信息搜索机器人系统。
The load limit device is an important part of the control system of crawler cranes.
力矩限制器是履带起重机控制系统重要组成部分。
Focused crawler is a subject-oriented information retrieval system. It can meet the users' need and retrieve information that is relevant to some specific subjects from the web automatically.
聚焦爬虫是一种面向主题的信息搜集系统，可以根据用户需要从互联网上自动搜集到主题相关信息，在主题搜索引擎、站点结构分析等方面取得越来越广泛的应用。
Web crawler is a system which can automatically get web pages from Internet. It helps searching engine download web pages, so it is an important part of searching engine.
网络爬虫是一个可以从因特网上自动提取网页的系统，它为搜索引擎从万维网上下载网页，是搜索引擎的重要组成。
This paper is deal with the system's background data and foreground data to emerge. So it designs a system about platform of fund data extraction and analysis base on web crawler.
本文针对系统后台数据的获取以及系统前台数据处理进行展现，设计出基于网络爬虫的基金信息的抽取与分析平台。
A random vibration system model of "road-crawler type vehicle-operator" is needed for the analysis of dynamic characteristics of new type viscoelastic crawler construction machinery.
为对新型粘弹性履带式工程机械的动态特性进行分析，需建立“路面—履带式车辆—驾驶员”随机振动系统模型。
These factors make the crawler a complex component of the system.
这些因素使得抓取工具对系统复杂的部分。
Then, the virtual prototype of crawler running device is established based on multi-body system dynamics theory. The most complex part is to exert contact force in the model building process.
接着，以多体系统动力学理论为基础，建立了连续采煤机履带行走装置的虚拟样机模型，在建立模型过程中，最为复杂的可谓施加接触力。
Finally we used this new algorithm to design and implement a focused crawler prototype system.
最后我们利用该改进算法设计并实现了一个主题爬虫原型系统。
The invention relates to a crawler device electric driving wheel gearing which consists of an electric driving gear assembly and a track driving wheel system.
本发明涉及一种履带式设备电动驱动轮传动装置，由电动驱动齿轮总成，履带传动轮系组成。
The crawler scales to (at least) several hundred pages per second, is resilient against system crashes and other events, and can be adapted to various crawling applications.
这个爬行器（每秒至少可以爬几百个网页）可以处理系统崩溃和其他问题，并且适用于各种爬行应用系统。
The crawler scales to (at least) several hundred pages per second, is resilient against system crashes and other events, and can be adapted to various crawling applications.
这个爬行器（每秒至少可以爬几百个网页）可以处理系统崩溃和其他问题，并且适用于各种爬行应用系统。
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