在电信管理网(TMN)五层网络管理模型中，网元层和网元管理层是非常重要的两层。

In the telecommunication management network (TMN) with five network managements model, network element and network element management level is most important.

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本文在阐述电信管理网（TMN）结构的基础上，引出接口的概念。

The concept of interface is introduced with the presentation of telecommunications management network (TMN) architecture.

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本文阐述了电信管理网（TMN）和公共对象请求代理体系结构的特点，并以实例探讨了CORBA在TMN中的应用。

This issue describes the features of TMN (Telecommunication Management Network) and CORBA (Common Object Request Broker Architecture), and explores the application of CORBA in TMN through instances.

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