wavebands
n.
（无线电的）波段( waveband的名词复数 );
例句:
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a radio set with medium and short wavebands
中短波段收音机
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Partial radiation pyrometers are sensitive to narrow selective wavebands.
部分辐射高温计在窄的选择波段上是灵敏的.
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A nearby star - forming galaxy is equally bright in all three wavebands.
(之所以会有截断点,是因为星系内与星系周围的中性氢原子气体,吸收了波长较短的光. )