本建议介绍TMN的概念，定义了接口、参考点和块，并描述功能、信息和物理的体系结构。

This Recommendation introduces the TMN concept, defines interfaces and reference points and blocks which describes the functional, information and physical architecture.

youdao

本建议介绍TMN的概念，定义了接口、参考点和块，并描述功能、信息和物理的体系结构。

This Recommendation introduces the TMN concept, defines interfaces and reference points and blocks which describes the functional, information and physical architecture.

youdao