[N-VAR 可变名词]带宽 A bandwidth is the range of frequencies used for a particular telecommunications signal, radio transmission, or computer network.
Oxford
band·width/ˈbændwɪdθ; NAmEˈbændwɪdθ/noun[countable , uncountable ]( computing 计) 1a band of frequenciesused for sending electronic signals 带宽;频宽2a measurement of the amount of information that a particular computer network or Internet connection can send in a particular time. It is often measured in bitsper second. 带宽值,频宽值(计算机网络或互联网接口一定时间内传送信息量的量度,按每秒传送的字节数计)bandwidthbandwidthsband·width/ˈbændwɪdθ; NAmEˈbændwɪdθ/