分组交换网络是什么意思-分组交换网络的词语解释-相关组词-词语-近音词-同音词 - 掌上跨屏通词语词典

题目

更新时间：2024-10-19 16:37:09

求解答，词语分组交换网络是什么意思？再说说分组交换网络有什么含义？

答案

分组交换网络的百科含义

分组交换数据网络(PSDN)技术起源于20世纪60年代末，技术成熟，规程完备，在世界各国得到广泛应用。我国公用分组交换数据网骨干网于1993年9月正式开通业务，它是原邮电部建立的第一个公用数据通信网络。

分组交换网络的词语组词

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