电视信号、声音信号和交互信号设备用电缆网络。第7-2部分：混合光纤同轴电缆外部线缆状况监测。媒体访问控制层规范。
Cable networks for television signals, sound signals and interactive services - Part 7-2: Hybrid Fibre Coax Outside Plant Status Monitoring; Media access control (MAC) layer specification.
耳标是一种向用户提供计算机客体、操作或交互信息的非言语听觉信号。
Earcon is a kind of non speech audio signal, being used in computer interface to provide the user with information about the computer, its operation or interaction.
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