Discusses the design and realization of product quality data management system based on sort coding and ORACLE database, and also analyses the whole way of the system.
讨论了基于ORACLE数据库，采用分类编码体系的产品质量数据管理系统的设计与实施，对实现方法做了全面的论述。
To establish a house saving energy system, this text first analyses several net structures, and chooses power line as the correspondence medium, and also USES DTMF coding mode.
为了建立节能控制系统，本文首先分析了几种常见的住宅内的网络结构，从中选用了以电力线为通信介质的通讯网络，并介绍了一种基于DTMF编码方式的电力线通信系统。
This paper elaborates mathematics basic theory and knowledge of coding algorithm of ellipse curve. Meanwhile, the author also analyses and studies its application through an instance.
文章对椭圆曲线加密算法的数学基础理论知识和基本原理作了详细的阐述，并对它的一个应用作了剖析和研究。
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