选频

• frequency selection

参考释义

选频 [xuǎn pín]

• -
• 短语
  选频电平表 selective level meter
  选频耳机 frequency-selective earphone
  选频放大器 frequency-selective amplifier; frequency-selecting amplifier; selective amplifier
  选频伏特计 frequency-selective voltmeter
  选频连接器 frequency-selecting connector
  选频器 frequency-selector
  选频网络 frequency-selective network
  选频系统 frequency-selective system
  选频振铃 {电} harmonic ringing