network synchronous optical
network synchronous optical
网络同步光
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Metro networks have phone gear like digital cross-connects, which manage high-and low-speed traffic, and synchronous optical network (Sonet) systems, which come from fiber-optic phone networks.
FORBES: The God Box
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Crosswave uses synchronous optical network (sonet) and wavelength division multiplexing (dwdm) technologies, which enable it to transmit data at high speeds over long distances with a high degree of reliability.
FORBES: 20 FOR 2000