This paper describes the principle of multicomputer communication, and also the hardware and software implementation method based on RS-422 bus is given.

本文阐述了主从式多机通讯的原理，提出了一种基于RS-422串行通信接口的方案和软件设计方法。

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This paper presents the analyses of TETRA air interface protocol, and then introduces the software implementation method of Tetra network layer protocol use UML.

分析了TETRA空中接口协议，提出一种基于UML语言开发TETRA协议高层信令的方法。

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I have focused on an ODC implementation method to improve software quality. Besides the guidelines given above, several special points need highlighting.

我一直专注于odc实现方法来提高软件质量。

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