Retrieval of oxalate record from ice cores sheds light on past environmental changes.

(figurative)By then the situation was beyond retrieval (= impossible to put right) .

到那时，局势已无法挽回。

methods of information retrieval

数据检索方法

In databases, an information retrieval service operated by Bibliographic Retrieval Services Inc. ( USA ) .

在数据库业务中, 美国文献目录 检索服务 公司经营的一种信息检索业务.

Retrieval effectiveness and retrieval performance mainly depends on the structural pattern of information retrieval language.

情报检索语言的检索效率、检索功能主要取决于其结构模式.

Video retrieval aim is to find the needed video slip from a mass of video data.

视频检索的目的就是要从大量的视频数据中找到所需要的视频片断.

Content Based Image Retrieval CBIR has been a very active research area since 1990's.

基于内容的图像检索是90年代以来逐渐兴起的一个新的研究方向.

Automated Document Storage And Retrieval.

自动文档存储和恢复.

Experiments show that the learned metrics can be used to significantly improve image retrieval performance.

试验结果表明,该方法能在学习样本极少的情况下提高检索的性能.

a new system that should speed up information retrieval

能加速信息检索的新系统

The book provides quick information retrieval functions and quick to borrow books, the return process.

提供快速的图书信息检索功能、快捷的图书借阅 、 归还流程.

Therefore we need to develop the region-based image retrieval system ( RBIR ).

因此,我们需要开发基于区域的图像检索技术(Region-basedimageretrievalsystem, RBIR ).

A card with numbers which record the location of documents used in an information retrieval system.

一种具有号码的卡片,记录在信息检索系统中使用的文件的位置.

An information retrieval system uses phrases to index, retrieve, organize and describe documents.

本发明涉及一种信息检索系统,其使用短语来编制索引 、 检索 、 组织并描述文献.

Subject indexing is the key step in creating subject retrieval system of water-saving agriculture literature database.

主题标引是建立“ 节水 农业文献数据库”主题检索系统的关键工作.

The characteristics of the Information Intelligent Retrieval System on Campus Network is introduced.

对基于校园网的信息智能检索系统的特点作了介绍.

A general schematic view of a data storage and retrieval system is given in Fig 1-1 .

数据存储和检索系统的总框图见图 1-1.

If index were used as the retrieval system, the storage technique could still remain a database.

如果将索引作为检索系统使用, 那么存储技术仍然只能是数据库.

The power equipment image retrieval system structure based on moment invariants is introduced.

文中给出了基于形状不变矩的电力设备图像检索系统结构.

Web crawler is an important component for search engine and Web information retrieval system.

Web爬虫是搜索引擎和Web信息检索系统的重要基础.

Instead, we hand the user the storage system and call it a retrieval system.

取而代之, 我们把这个存储系统直接交给了使用者,并把它称为“检索系统”.