Frame Relay is a kind of mature fast switch technology, while ATM technology is one of the important broadband technologies.

帧中继技术是一种成熟的快速分组交换技术，而AT M技术则是宽带网络的重要技术。

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ATM is a high speed switch technology, which can comprise audio, signals, data, video and multimedia photographs.

AT M是一种高速的能够兼容语音、信号、数据、视频和多媒体图片的交换技术。

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