| 释义 |
band·width AHD[băndʹwĭdth', -wĭth'] D.J.[ˈbændˌwɪdθ, -ˌwɪθ]K.K.[ˈbændˌwɪdθ, -ˌwɪθ]n.（名词）- The numerical difference between the upper and lower frequencies of a band of electromagnetic radiation, especially an assigned range of radio frequencies.带宽：电磁辐射频带中高频与低频之间的数值差，尤指某设定的无线电频率范围
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