又称“音频”。人耳可闻的振动频率。频率范围约从20—20000赫。
abbr. AU
misc. audio frequency
关键词 豇豆 ; 声频 ; 音乐 ; 鸟鸣声 ; 昆虫鸣声 [gap=1552]Key words Cowpea; Acoustic frequency; Music; Bird's song; Insect＇s sound
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... voice entry display 声音入口显示 voice frequency 声频 voice frequency grade channel 电话信道 ...
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声频放大器 [电子] audio amplifier ; Audifier ; sonic frequency amplifier ; audio-frequency amplifier
超声频率 Supersonic power ; supersonic frequency ; kHz
声频变压器 [电子] audio frequency transformer ; [电子] audioformer
声频信号 [电子] audio signal ; acoustic signal ; audible signal ; sound signal
次声频 [声] infrasonic frequency
声频带 [电子] audio band ; acousticband ; sonic-frequency band ; audio frequency band
噪声频谱 noise spectrum ; noise blueprinttrum ; noise spectral ; [电子] noise frequency spectrum
有些种类的蝙蝠会根据回声频率的变化来调整向猎物移动的方向和速度。
Responding to changes in the CF echo's frequency, bats of some species correct in flight for the direction and velocity of their moving prey.
例如，电话把声能转换为电信号并重新转换回声频来启动对话。
A telephone, for example, converts sound energy to an electrical signal and back again to audio to enable conversation.
他补充说：“学弹奏乐器就得学习音调和乐谱，这样能提高自己声频信息存储能力。”
He added: "When you play a musical instrument you have to learn about tone and about scores and your ability to store audio information becomes better."
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