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wavelength

US [ˈweɪvˌleŋθ]
UK ['weɪv.leŋθ]
  • n.波长;(广播电台等使用的)频道
  • Web红外线波长;激光波长;工作波长
Plural Form:wavelengths  
wavelength
n.
1.
波长the distance between two similar points on a wave of energy, such as light or sound
2.
(广播电台等使用的)频道,波道the size of a radio wave that is used by a particular radio station, etc. for sending signals or broadcasting programmes

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