在指出了数字图书馆的主要技术基础上，详细阐述了数字水印模块框架设计过程和基于数字水印的代理服务器功能的实现过程。
On the basis of pointing out the main technology foundations, this paper entails the design of watermarking module framework and implementation of functions of proxy server based on watermarking.
本文主要讨论GKD -ESQL预编译器的设计和实现技术，首先讨论了嵌入式SQL语言的基本结构和语句成分，在此基础上，给出了GKD - ESQL系统的总体框架设计。
The design and implementation of GKD-ESQL is discussed. Based on the introduced basic structure and the statement elements, the general infrastructure of GKD-ESQL system is presented.
本文主要讨论GKD -ESQL预编译器的设计和实现技术，首先讨论了嵌入式SQL语言的基本结构和语句成分，在此基础上，给出了GKD - ESQL系统的总体框架设计。
The design and implementation of GKD-ESQL is discussed. Based on the introduced basic structure and the statement elements, the general infrastructure of GKD-ESQL system is presented.
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