This paper discusses the existing problems in key words indexing and introduces the free indexing methods in an effort to get the accurate and standardized key words efficiently.

1、

The Experiment on Comparing Automatic Indexing with Free Indexing of the News Database

新闻数据库自动标引与自由标引的比较实验

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2、

The Study of the Question of Free Indexing

自由标引问题研究

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3、

Manned indexing experiences based auto-classifying tries to solve this problem through the principle of the compactness and inter changeableness of information search languages. However, direct application of indexing phrases to match the targets causes a series of problems in the actual situations.

基于人工标引经验的自动分类试图通过情报检索语言兼容互换的原理解决这一问题，然而直接应用标引词串对分类进行匹配在实际应用中产生了一系列的问题。

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4、

Some problems in controlled thesaurus indexing are pointed out: low indexing efficiency, relation net among the descriptors and new terms aren't developed, and uncertain coordinate indexing.

分析了建立情报检索系统时受控主题标引的不足之处：标引效率低、语义网得不到扩充、不一致的组配标引。

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5、

Coordinate Indexing of Subjects

主题词组配标引

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6、

This type of coordinate indexing is said to be manually operated, since the recording of the accession number onto the features card is done by hand.

这种类型组配被称为是人工操作的，因为在特征卡上写登记号是用手写的。

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7、

The quality analysis of keywords indexing system of Chinese academic journals

我国学术期刊关键词标引质量探析

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8、

A new type NC indexing system based on planetary sphere mechanism

基于行星钢球机构的新型数控分度系统

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9、

An Automatic Subject Indexing System Based on Feedback Rule Learning

基于反馈规则学习的医学文献主题自动标引系统

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10、

Research and Development of Automatic Indexing System of Biology Literature

生物学文献的自动标引系统的研究与开发

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11、

Study of Automatic Indexing System of Chinese Scientific and Technological Document

中文科技文献计算机自动标引系统的研究

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12、

Indexing System of Search Engine Based on Page Segmentation

基于网页分块思想的搜索引擎索引系统

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13、

Research on the Development Status and Trend of the Deep Indexing System

深度索引系统的发展现状及其趋势研究

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14、

In this paper, a human perception based similarity measure is presented and based on it a simple yet novel indexing scheme with relevance feedback is discussed.

在本文中，主要说明基于人感知的相似性度量，以及讨论综合相关反馈的索引方案。

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15、

A Simple and Economic Indexing& Positioning Unit

一种简易经济的分度定位机构

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16、

Entry indexing methods is analyzed and improved. A simple indexing means called amplitude-power alternative method is raised. This method satisfied common amplifier nonlinear curve, moreover, it can be easily realized.

同时对查找表的地址索引方式进行了分析改进，提出了幅度功率二择一的简单寻址方式，能很好的满足常见功放非线性曲线分布的要求，而且算法简单易实现。

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17、

It allows for one day's surveillance footage to be summarized into a few minutes, enabling the rapid review and indexing of captured video.

它能使一天的监视视频录像精简到几分钟，能够快速审视、索引已采集的视频。

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18、

The experimental results show it has high search performance and robustness, which can provide a rapid and effective indexing mechanism for large fingerprint database.

实验表明，该算法检索效率高、鲁棒性强，为大容量指纹库提供了一种快速有效的索引匹配机制。

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19、

A rapid method for indexing the electron channelling pattern

一种快速注释电子通道花样的方法

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20、

Multi function Rapid Precision Indexing Plate

多功能快速精密分度盘

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