1.  band
2.  wave band
3.  waveband
4.  airways

• 1. 波段: band | balance the two plans | range
• 2. 波段开关: band switch | Digital Code Rotary Switch | selector
• 3. 宽波段: broad band spectrum | broadband | wide band | broad

更多释义

• 1.短波收音机用的波段是20–50米。
  Short-wave radio uses the 20-50 metre band.
  dict.yoduao.com
• 2.她找到了他们广播的波段，把收音机调到他们的电台上。
  She found the wavelength of their broadcasts, and left the radio tuned to their station.
  dict.yoduao.com
• 3.卡车司机用民用波段无线电呼救。
  A truck driver used his CB radio to call for help.
  dict.yoduao.com

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