数据挖掘

The data mining algorithm, which calculates the radius of gyration of unit-mass point around the centre of mass in the phase space, can distinguish the fault parameter from the chaotic time series output by the tested system.

提出了一种基于相空间重构和数据挖掘算法的复杂电子系统故障诊断方法，采用计算相空间中各个单位质点绕其质量中心的旋转半径的数据挖掘算法识别被测系统的故障参量。

This paper describes the elementary school, intermediate school management history, status quo and the types of applications software in the future prospects, but also the knowledge database, and introduced the concept of data excavation techniques related excavation techniques and data used in this system.

本论文叙述了大中小学校成绩管理的历史、现状以及该类应用系统软件在未来的前景，结合系统的实现，介绍了数据挖掘技术的相关概念及其数据挖掘技术在本系统中的使用。

We suggest that constraint and multidimensional techniques should be applied in data mining.

6为了提高数据挖掘的效率，提出了采用约束和多维技术的方法进行数据挖掘。

Outlier mining is an important part of data mining.

离群数据挖掘是数据挖掘的重要内容。

Outlier mining is an important task of data mining.

离群数据挖掘是数据挖掘的重要任务之一。

Firstly, this paper expounds the advanced to search of outlier mining at home and abroad.

本文首先阐述了国内外在离群挖掘方面进行的研究及离群数据挖掘的主要应用领域；接着分析了海关进出口数据所具有的特点。

In the project, the author's research mainly focuses on the visual data mining technology. This thesis presents the research results of visual data mining technology based on parallel coordinates.

作者在这个项目中主要负责可视化数据挖掘领域的技术研究，论文中主要是对基于平行坐标的可视化数据挖掘技术的研究。

Aimed at the characteristic of process industry, combined with the powerful ability of GIS and spatial data mining which express and process spatial data, it is a new way to realize the information query, analysis, prognostication and decision-making functions of CIMS with GIS and spatial data mining applied in industry CIMS and makes sense to promote the development of CIMS.

针对流程工业CIMS的特点，结合GIS和空间数据挖掘技术在描述和处理空间信息时强大的表达和处理能力，将GIS和空间数据挖掘技术运用于流程工业CIMS信息服务和决策支持系统，是实现流程工业CIMS的信息查询、分析、预测、评价和决策的一种新的、有效的途径，对促进流程工业CIMS的发展具有重要的意义。

Hence, it is an important challenge to develop efficient and scalable methods for XML data mining.

因此，开发出有效的针对XML的数据挖掘方法成为数据挖掘领域和XML技术领域的一项重要课题。

The contents contained data transformation, similarity match, prediction, classification, clustering, segmentation and visualization of time series.

在综合分析近年来时间序列数据挖掘相关文献的基础上，讨论了时间序列数据挖掘的最新进展，对各种学术观点进行了比较归类，并预测了其发展趋势。

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。