In information technology, the process of backing up digital data consists of making multiple copies of the digital data so that the data can be restored whenever there is a need.
在信息技术中，备份数字数据的过程包括生成数字数据的多个拷贝，以便能够在需要时恢复数据。
Designs a model for data Shared in digital basin with layer model assays its achieved method and tries to provide a effectual way for data Shared in digital basin.
采用层次模型设计“数字流域”中的数据共享模型，并对其实现方法进行了详细的分析，力图为“数字流域”提供一种高效的数据共享途径。
By detailing data needed for digital city construction, the author emphasizes the importance of data collecting when building a city into digital one.
本文首先指出了数据在数字城市建设中的重要作用，描述了数字城市建设中需要的数据。
Digital data recording equipment, digital data storage equipment, and digital data using equipment for producing problem report.
数字数据记录设备，数字数据存储设备，以及产生问题报告的数字数据使用设备。
Digital raster graphic(DRG) and digital line graphic(DLG) are two digital maps that can be taken cheaply, and DLG is a commonest data format now, it is the main data source of GIS.
数字栅格图和数字线划图是可以低成本获取的两种数字地图，而DLG是目前最普遍的矢量数据格式，是GIS的主要数据来源。
Scanner: An equipment that converts photographic or hand-drawn original into digital data. An OCR machine can converts typed or printed text into digital data.
扫描机：把书稿或相片转为数码资料的机器。光学文字识别机是扫描机的一种，它把打字字体或印刷字体转为数码资料。
A data element may combine with one or more other data elements or digital objects to form a digital record.
一个数据元可以连结一个或多个数据元或数字对象，从而形成电子文件。
This paper introduces digital reference service and data mining, and expounds the design flowchart of digital reference service system based on data mining and the design of database structure.
介绍了数字参考咨询和数据挖掘，论述了基于挖掘技术的数字参考咨询系统设计框图及数据库结构设计。
The algorithm can be directly applied to data mining, digital grid partitioning and estimation, data partitioning, digital terrain surface simplification, etc.
实现的算法可以直接应用于数据挖掘、数字网格划分与评估、数据分割、数值地形曲面的简化等问题。
Metadata, the data about data, which describe every document in Digital Library, is a important tool to manage, retrieve data and to interoperate among Digital Libraries.
元数据是关于数据的数据，数字图书馆中，每个数据文档由其元数据描述，元数据是数字图书馆管理、检索数据以及在各个层面上实现互操作的重要手段。
The transmitter path includes a digital modulation circuit receiving multiple channel binary data, and for each channel generating a digital representation of the data.
发射机路径包括接收多通道二进制数据，并且为每个通道生成数据的数字表示的数字调制电路。
The main switch array is used for receiving the digital data and outputting the voltage when the digital data are within a first range.
主要开关阵列用以接收数字数据并于数字数据在一第一范围内时输出电压。
The second pre-decoding switch array is used for receiving the digital data, and pre-decoding the partial digital data and outputting the voltage when the digital data are within a third range.
第二预解码开关阵列用以接收数字数据，当数字数据在一第三范围内时预解码部份数字数据以及输出电压。
The first pre-decoding switch array is used for receiving the digital data, and pre-decoding the partial digital data and outputting the voltage when the digital data are within a second range.
第一预解码开关阵列用以接收数字数据，当数字数据在一第二范围内时预解码部 份数字数据以及输出电压。
Digital data archives compilation is one of the procedures of digital data archives management, which can also play an important role in developing and utilizing the digital data archives.
数字档案编研工作作为数字档案管理工作的一个环节，是开发利用数字档案信息资源的重要手段。
Digital Watermark plays an important role in protecting Copyrights of digital data, preventing the pirate of digital data as well as providing authentication.
数字水印技术在数字化作品版权保护和内容认证方面发挥着重要的作用。
The basic elements of a control system using a digital computer consist of the data-gathering devices which perform analog-to-digital conversion on data form the system which is to be controlled;
由在数据上执行模拟数字的转化的设备形成将被控制的系统的集合数据使用一台数字的计算机的一个控制系统的基本的元素组成；
The basic elements of a control system using a digital computer consist of the data-gathering devices which perform analog-to-digital conversion on data form the system which is to be controlled;
由在数据上执行模拟数字的转化的设备形成将被控制的系统的集合数据使用一台数字的计算机的一个控制系统的基本的元素组成；
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