a band of frequencies used for sending electronic signals带宽；频宽
bandwidths in the range of 50–70 Hz带宽在50–70 Hz的范围内
(computing计算机)a 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 bits per 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）
Upgrade to a higher bandwidth to increase your download limits.升级到更高的带宽以增加下载限制。