retrieval的例句大全

A recent feasibility study for the Keck Institute for Space Studies reckoned that the retrieval of a single 500-tonne asteroid to the moon would cost more than$ 2.5 billion.

最近，克柯太空研究所（Keck Institute for Space Studies）进行的一项可行性分析认为，将一颗重量为500公吨的小行星移到月球附近所耗资金将超过二十五亿美元。

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Feature extraction is one of the elementary problems in the area of image retrieval. It is the key to the retrieval problems based not only on domain specific visual contents, general visual contents but also on semantic contents.

特征提取是图像检索研究的最基本的问题之一，无论是基于特定领域的视觉内容、基于通用视觉内容还是基于语义内容的图像检索，提取有效的鉴别特征是解决检索问题的关键。

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It has not only put forward a plan to isolate the two marks according to the reader's retrieval need and the open-shelf reality, but also expounded the detailed ways to isolate the two marks.

从读者检索需要及开架借阅的实际出发，提出了分类目录号与分类排架号的设计方案，以及实施两号分离的具体操作方法。

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Scanned English Document Retrieval Based on OCR and Word Shape Coding

基于OCR与词形状编码的英文扫描文档检索

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In view of the fact that geometric entities are recorded in vector form in graphics file, this paper presents an algorithm based on modified geometric hashing for shape retrieval.

针对图形文件以矢量方式记录几何实体的特点，提出了一种基于改进几何哈希法的图形检索算法。

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In this paper a new image retrieval system is proposed, embed text information and image attributes inside the compressed images for their quickly retrieval.

本文提出一种新的图像检索系统，采用数据隐藏算法把图像的标注信息和特征信息嵌入压缩域图像中，用于快速检索。

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This paper is expanded around the application of visual attributes to content-based image retrieval and does the following research: First, this paper introduces the applications of image visual attributes in the various fields of image processing.

本文围绕视觉属性在图像检索中的应用进行了如下研究：（1）介绍了图像视觉属性在图像处理各个领域的应用情况，分析出属性在当前图像检索领域被广泛应用的趋势。

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In this paper, support vector machines are trained for natural image classification. The resulting image class models are incorporated into image retrieval system, so that the users can search natural images by classes.

该文以自然图像领域为例，使用支持向量机（SVM）学习自然图像的类别，学习到的模型用于自然图像分类和检索.贫验结果和模拟象符合的较好。

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DATA SOURCES: An overall retrieval for materials on laser ′ s clinical application and rehabilitation between January 1994 and January 2004 was made, and the means included electronic retrieval, handworked search and personal correspondence.

数据来源：对1994-01/2004-01年之间关于激光临床应用、激光康复方面的资料进行全面的检索，检索手段包括电子检索、手工检索等。

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To improve the throughput of Information Retrieval System, we need to research into inverted file compression techniques, to get the statuesque point between best compression ratio and the fastest decompression time.

要提高文件检索系统的性能，需要对倒排文件压缩技术进行研究与对比，以使文件检索系统在最大压缩比和最快的解压速度间寻找均衡，以到达最大的吞吐量。

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The Study of the Development and Influencing Factors of Children's Encoding Strategies and Retrieval Strategies in Memory Task to Assoeted Material

分类材料记忆任务中儿童记、忆策略的发展及影响因素研究

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After an introductive explanation of the connotation of semantic retrieval and concept space, two forms of existing concept space are analyzed. The building method, the description language and the edit tool Prot é g é of the concept space based on Ontology are studied particularly.

本文从语义检索和概念空间的内涵入手，分析了现有的两种概念空间形式，重点分析了基于Ontology的概念空间的构建方法、描述语言及其编辑工具Protégé。

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Extending from the Library and Information Area into the Informationized World& Promising Prospect of the Application of the Information Retrieval Language

从图书情报领域迈向信息世界&情报检索语言应用的广阔前景

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Spherical Harmonic Representation of Extended Distance Feature for 3D Model Retrieval

用于3D模型检索的扩展距离球面调和表达

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Information retrieval of archiving in prevention and treatment for endemic disease

地方病防治工作中档案的开发与利用

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The Synthetical Evaluation about TB Control of Counties in Jining City Information retrieval of archiving in prevention and treatment for endemic disease

济宁市县级结核病防治工作综合评价

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A Novel Cross Language Information Retrieval Model Based on Interlingua Semantics

一种新的基于中间语义的跨语言信息检索模型

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The Research on Multilingual Information Retrieval Based on Latent Interlingua Semantics

基于潜在中间语义的多语言信息检索研究

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Improvement Research on Radar Reflectivity Factor Retrieval Algorithm of Spaceborne Precipitation Radar

星载测雨雷达反射率因子反演算法的改进研究

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With the help of text, many tasks such as picture classification, index and retrieval become possible, and thus design all types of applications.

有了文字信息的帮助，可以方便地进行图片的分类、索引与检索，并进而设计各类应用。

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