分布式关系数据库体系结构(distributed relation database architecture,DRDA)是用于客户机与服务器之间通信的常见协议，它由RuntimeClient提供。
Distributed relation database architecture (DRDA) is the common protocol used for communication between the client and the server, and is provided by the Runtime client.
它是一种分布式体系结构，被设计和指定用来促进跨平台的程序对程序通信。
It is a kind of distributed architecture, which is designed and used to expedite to communicate with several programs among different platforms.
第二章，介绍分布式可视化系统的体系结构、任务划分及底层通信，提出RVS系统的科学可视化环境。
In Chapter 2, we introduce system's architecture structure, server versus client functionality and client-server communication, and propose scientific computing visualization environment of RVS.
第二章，介绍分布式可视化系统的体系结构、任务划分及底层通信，提出RVS系统的科学可视化环境。
In Chapter 2, we introduce system's architecture structure, server versus client functionality and client-server communication, and propose scientific computing visualization environment of RVS.
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