Broadband IF宽带中频broadbandn.宽频带；宽带adj.宽频带的broadband digital data宽频带数字资料broadband transmission宽频带传输,宽带传输broadband oscilloscope宽带示波器broadband RF front end宽带射频前端Broadband fiber source宽带光纤光源broadband slot antenna宽频带缝隙微带天线Broadband seismographs宽带地震仪broadband beam antenna宽频带定向天线broadband data channel宽带数据信道broadband data network宽带数据网