无线电波谱 meaning in English

radio wave spectrum

The problem is that the search has been restricted to the thin sliver of the radio - wave spectrum in which an alien beacon seems most likely to appear
问题在于这种搜寻被限制在最有可能出现外星人信息的狭窄的无线电波谱上。
Of or relating to the range of invisible radiation wavelengths from about4nanometers , on the border of the x - ray region , to about380nanometers , just beyond the violet in the visible spectrum
人为地辐射或反向辐射电磁波，使一段特定的无线电波谱的可用性削弱，而这一波谱段是由敌人的通讯或雷达所使用。
Deliberate radiation or reradiation of electromagnetic waves so as to impair the usefulness of a specific segment of the radio spectrum that is being used by the enemy for communication or radar
人为地辐射或反向辐射电磁波，使一段特定的无线电波谱的可用性削弱，而这一波谱段是由敌人的通讯或雷达所使用。