分布式实时访问系统的体系结构

[中文适用范围]： 本标准规范了分布式实时访问系统的架构。该架构规定了系统中的功能组概念、每个功能组的功能以及接口。 [外文原描述]： This Standard specifies the architecture for a distributed real-time access system. The architecture specifies the function group concept of the system, functionalities of each function group, and interfaces. Communication between function group and functions are not in the scope of this Standard.