短語詞組短語switching data network 交換數(shù)據(jù)網(wǎng)waveband switching wbs network 波帶交換光網(wǎng)絡switching of network protocol 網(wǎng)絡協(xié)議切換hybrid switching optical network 混合交換光網(wǎng)絡switching center network 交換中心網(wǎng)packet switching telephone network 分封交換電話網(wǎng)路;分封交換電話網(wǎng)絡automated switching optical network 自動交換光網(wǎng)絡waveband switching optical network 波帶交換光網(wǎng)絡 返回 switch network