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integrated services digital network
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integrated services digital network
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管理学
电子政务网络技术
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integrated services digital network; ISDN
综合业务数字网
实现话音、数据和图像在同一个网络中传输与交换的重要技术,是一种典型的电路交换网络系统。
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更新时间:2026/6/29 19:49:16