bandspread
柯林斯词典
1. N an additional tuning control in some radio receivers whereby a selected narrow band of frequencies can be spread over a wider frequency band, in order to give finer control of tuning 波段展開; 將窄段頻率擴展成寬段的收音調頻技術
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1. N an additional tuning control in some radio receivers whereby a selected narrow band of frequencies can be spread over a wider frequency band, in order to give finer control of tuning 波段展開; 將窄段頻率擴展成寬段的收音調頻技術