key in data

Time synchronization is the key problem in data acquisition using wireless sensor.

无线传感器应用到结构健康监测的数据采集系统中最重要的是解决传感器在数据采集过程的同步问题。

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This paper intends to illustrate the data extracting system design, with focus on two key technologies in data extracting, namely, incremental data extracting and duplicate record detecting.

本文设计并实现了数据获取系统，主要研究数据获取中的两个关键技术：数据源增量数据获取技术和相似重复记录检测技术。

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Discovering frequent closed itemsets is a key problem in data mining application.

在数据挖掘研究中，频繁闭项目集挖掘成为重要的研究方向。

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Research of Key Techniques in Spatial Data Mining Based on Geographic Information System

基于地理信息系统空间数据挖掘若干关键技术的研究

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A data warehouse architect, who is the key person in data discovery and data warehouse design.

数据仓库架构师，是数据发现和数据仓库设计中的关键人物。

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The Study of Key Problems in GIS Data Production

GIS数据生产中几个关键问题的研究

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Video segmentation is the key technique in multimedia data retrieval.

视频分割是多媒体数据检索的关键技术之一。

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The basic characters of the Lg ( t) derivative peaks of the single and multiple decay, such as the peak shape and the full width at the half maximum ( FWHM), place a key in the data analysis of the work.

单一及复杂衰减过程的K（t）-Lg（t）微分峰形曲线的线形和半宽等基本特征在本工作的数据分析中有重要的作用。

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Data replication is one of the key technologies in mobile data management.

数据复制是移动数据管理中的一种关键技术。

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However, you may need to manually define a primary key in the data source view.

但是，您可能需要在数据源视图中手动定义主键。

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The paper analyzes the necessity of adopting data warehouse in decision support system, describes the operational mechanism of data warehouse and stresses OLAP and Data Mining, the key techniques in data analysis and decision-making.

本文分析了在决策支持系统中引入数据仓库的必要性，论述了决策支持系统中数据仓库的运作流程，并强调了数据分析与决策的关键技术：OLAP技术和数据挖掘技术。

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The design of a low noise electrocardiosignal amplifier, as a research subject of biomedical electronics, is a key link in data acquisition and processing of electrocardiosignal.

低噪声心电放大器的设计是生物医学电子学研究课题之一，是对心电信息进行数据采集与处理的重要环节。

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Metadata interoperability is a key problem in data warehouse environment.

在数据仓库环境中，元数据互操作性是一个关键问题。

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One of the key issues in data integration is the detection of incremental data from a specific information source in an efficient and timely manner.

数据集成要解决的首要问题就是如何有效、及时地检测信息源的增量数据。

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The current velocity that ADCP measured relatives to the vessel velocity, and the vessel velocity is much faster than current velocity in normal measure condition, so computing the vessel velocity is the most important key in ADCP data processing.

ADCP测得流速是海水相对于船体的速度，在正常观测条件下，船速远大于海水流速，因而船速计算是ADCP资料处理的关键。

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Each entry and element of such a data map contains the value of a JSF input component whose ID is also the key in the data map.

这类数据地图的每个条目和元素都包含JSF输入组件的值，其ID是数据地图的键。

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The article discusses key technologies in data link, including upstream access mechanism, ranging and protocol compatibility according as constituted draft by IEEE EFM, and it analyses safety factor of EPON.

依据IEEE EFM制定的草案，讨论了数据链路层的关键技术，包括上行信道接入机制、测距技术和协议兼容性问题。同时对EPON的安全问题也进行了分析。

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Metadata is one of the key points in data warehouse projects, while the standard of metadata is essential in managing metadata.

元数据是数据仓库项目取得成功的关键因素之一，而元数据标准又是成功管理元数据的关键。

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With corresponding classification, the usual methods are inherited and modified, the key information in data can be exposed more effectively based on simpler steps and single graph.

对应分类法继承和改善了常规方法，能用较简单步骤和单一图件更有效地揭示数据中的核心信息。

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In this paper, some improved methods for several key issues in data processing are proposed based on the requirements for bistatic HFSWR tracking multiple vessel targets.

本文针对双基地高频地波雷达跟踪多个舰船目标要求，提出数据处理中若干关键问题的改进方法。

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Research on Key Technology in data grid

数据网格及其关键技术研究

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On basis of exploring, data collection and real-time response are designed to be used to solve the key problem in data link layer of DSRC protocol.

在此基础上，对DSRC数据链路层中的数据收发和实时响应两个核心问题的解决进行了探索和尝试。

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Synchronization is the base of transferring data correctly in synchronous digital network, so synchronization technique is the key in the data transferring field.

在同步数字网络中，同步是数据流正确传输的基础，因此同步技术是数字传输领域的关键技术。

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The data integration is the most important step in warehouse data transformation processes, and it is the key concept in data warehouse design.

数据集成是仓库数据转换过程中最重要的步骤，也是数据仓库设计中的关键概念。

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So this imposes critical request to the response time of queries and makes improving efficiency of OLAP queries the key issue in Data Warehouse application.

这种使用方式对查询响应速度提出了很高的要求，使得提到OLAP查询效率成为数据仓库应用中的关键问题。

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The trace association is a key technology in data fusion of netted radar system.

航迹关联是组网雷达系统数据融合中的一项关键技术。

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The data preparation is one of the most important job in the process of establishing the data mining system, and it will spend you much time and energy. More important, data cleaning is the key in the data preparation.

数据准备的工作是建立挖掘系统的过程中重要的部分，它所花费的时间与精力也最多，而在数据准备的工作中数据清洗又是其中的重点内容。

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Association rules mining is a key issue in data mining. It discovers and analyses the associations among different sets of data items.

关联挖掘是数据挖掘中的一个重要问题，是发现和分析不同数据项之间的关联性的过程。

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So we probed into some key technologies in data warehouse system by the example of the DW of floating population.

其中数据仓库的建立是整个系统开发的基础，因此本文以暂住人口数据仓库为例，探讨数据仓库的几个关键技术的实现。

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Study on Key Problems in Data Local Structure Information Based Feature Extraction

基于数据局部结构信息的特征提取中的关键问题研究

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