挖掘作用

土壤动物对土壤的挖掘作用，植物根系在土壤中的穿插作用，冻融和干湿交替过程及化学过程是产生大孔隙的主要原因。

Macropore is formed in main ways : by plant roots and soil fauna ;

小孔法等离子弧焊接由于焊接过程中独特的小孔效应而得名，即等离子弧焊接过程中，等离子体产生很大的电弧力，对焊接熔池产生挖掘作用，以至形成小孔。

Keyhole plasma-arc welding was named by the unique " keyhole effect " which means that in the plasma arc welding process . Plasma produces great arc power and has a " dig " affect to the weld pool as well as formation of a hole .

最后总结了结构数据对用途挖掘的作用。

Finally we use structure data on web usage mining by an example .

探讨个性化检索系统中数据挖掘的作用与内容，介绍目前个性化检索系统中对各种用户信息进行挖掘的最新研究成果、方法与进展。

The combination of personalization technology and data mining technology is a good way to improve retrieval efficiency . This paper mainly discusses the contents and functions of data mining in the personalized retrieval system and the latest achievements , methods and progress as well .

分析它在空间数据挖掘中的作用与意义。与以往关于DMN的研究不同，本文直接将DMN的结构作为推理依据或应用于问题求解，扩大DMN概念和方法的应用范围。

Unlike previous studies on DMN , our method directly employs the construct of DMN as the evidence of inference or for problem solving , and enlarges application range of DMN 's concept and approach .

介绍了数据挖掘技术的作用、过程。

The paper introduces the function and process of data mining technology .

多元统计分析在数据挖掘中的作用

The Role of the Multi-Variable Analysis in Data Mining

领域专家知识及其在空间数据挖掘中的作用

The Role of Domain Expert Knowledge in the Process of Spatial Data Mining

数据挖掘的主要作用是实现对数据的自动分析、自动分类、自动汇总和自动发现。

The main function of data mining is to realize the auto-analysis , auto-sort , auto-collect and auto-discovery from data .

人际情报网络对竞争情报在企业内部的挖掘具有重要作用。

The human intelligence network plays an important role in the course of digging the competitive intelligence within the organization .

从图书馆员传统角色弱化和读者面临新困难两个角度，提出图书馆员要承担起“信息挖掘”的作用。

This article proposes that the librarian should play the " data mining " role in the views of the declined traditional role and the confronted plight of the librarian .

引入成绩熵来衡量课程成绩的信息含量，以评估单个课程成绩在教育数据挖掘中的作用。

Mark-Entropy is introduced to evaluate how much information is embedded in the marks of a course in order to estimate the importance of a course in the process of data mining .

因而聚类分析在数据挖掘中具有关键作用。

Thus cluster analysis has akey role in data mining .

兴奋剂帮助人们实现挖掘其潜能的作用。

The doping helps people make a good use of their talent capacity .

最后，讨论了颗粒间的各种关系，并给出了信息颗粒在数据挖掘中的进一步作用。

Finally , the various relationship among the granules and the further effects of the information granules in DM are discussed .

特别是分类关联规则既能用于概念描述又能用于分类预测与决策，在数据挖掘中发挥重要作用。

In particular , the class association rule ( CAR ), which can be used not only for concept description but also for class prediction and decision-making , has an important role in data mining .

基于约束的关联规则挖掘一方面可以加强用户对挖掘过程的主导作用，使挖掘目的更加明确，另一方面可以大大减少算法的搜索次数，提高挖掘效率。

The mining rules on the basis of constraint , on one hand , may enforce dominant action of users in order to define the mining , on other hand may reduce the selecting times of algorithm to upgrade the mining efficiency .

随着数据挖掘分类技术的广泛应用，决策树在数据挖掘技术中的作用越来越重要，并且取得了众多的研究成果。

With the extensive applications of classifying technology of data mining , decision tree classifier has achieved much research achievement .

网络结构挖掘思想源自于引文分析，本文在阐述引文分析的原理及作用的基础上，分析了网络结构挖掘的原理和作用。

The method of web structure mining originates from citation analysis , the article at first sets forth the principle and function of the citation analysis , then analyses the principle and function of Web structure mining .

其中，CQT系统是整个网络优化体系的重要组成部分，对数据挖掘在其中的应用进行分析和研究不仅具有代表性，而且对在网络优化的其它组成部分中应用数据挖掘技术具有指导作用。

Among them , the Call Quality Test is the important part of network optimization , we study and analyze how to apply Data Mining technology to Call Quality Test system can give a guidance of apply Data Mining technology to other network optimization part .