查询词典 information retrieval

Analyzing the distribution and heterogeneity of the network information,it is proposed that Agent-based distributed information retrieval system.

随着计算机网络和信息技术的发展，存储在各种信息系统中的信息资源通过网络互连，形成了巨大的网络信息空间。

The organization and indexing of video information is the basis for video information retrieval and consumption.

数字视频信息的组织与索引是视频信息检索和消费的基础。

But now, the depth of search, information retrieval, and comprehensive information is still very difficult work.

但就目前而言，深度搜索、信息检索、以及信息综合仍然是非常困难的工作。

With the development of network technology and its greatly increased information, information retrieval has been paid more and more attention.

中文摘要：随着网络技术的发展和网络上信息量的激增，信息检索越来越受到人们的关注。

Machinery information retreval includes two basic types:① Electrical and mechanical information retrieval system.

机械信息检索主要包括两种基本类型：①机电信息检索系统。

In the cases of Web applications, RDF can be used to semantically describe the distributed information sources in enterprises to make the information retrieval more accurate.

在Web应用环境中，可以通过RDF形式描述企业领域内分布信息资源的语义，以提高信息查询的准确性。

So we must be with an eye to the research of Information retrieval in face of rapid improvement of Information.

因此，面临日益飞速增长的网络信息，必须着眼于数据信息检索方面的研究。

The inter domain information retrieval technique is illustratively based on a request/response signaling exchange whereby at least a portion of the reachability, i.e., routing, information maintained by the target node is propagated to a head-end node of the TE-LSP.

域间信息取得技术例如基于请求/响应交换，从而目标节点所维护的至少一部分可达性信息被传播给TE-LSP的头端节点。

By anatomizing the feature of customized information service of baidu search engine,the essay analyses the needs of future network information search services and discussed the realization of relevant techniques and future trend of network information retrieval.

本文通过剖析百度搜索引擎的客户化信息服务特征，分析未来网络信息检索服务需求，对相关技术实现及发展趋势进行了研究讨论。2·百度搜索引擎剖析百度是一款非常优秀的搜索引擎，其最大的特点是界面组织和丰富的检索功能。

Recently, Web Mining technology becomes a important research field such as Web information retrieval, Search Engineer, web mining can extract special semantic information from web documents, analyses link structure, analyses many valuable information such as document access pattern concealing behind Web such as document access pattern etc.

近来， Web 挖掘技术成为 Web 信息检索、搜索引擎等重要的研究领域，通过 Web 挖掘，可以从 Web 文档中抽取出具有特定语义的信息、分析文档的链接结构、分析出文档访问模式等许多隐藏在 Web 之后的有价值的信息。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。