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