frequency-modulated sound
... frequency-modulated 调频的 frequency-modulated sound 调频声 ; 频调声 frequency-modulated fuze 调频引信 ...
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The utility model relates to a radio transmitter for low-resistance sound signal, which is used to convert audio signals into frequency modulated signals.
本实用新型是一种将音频信号转换成调频信号的发射装置。
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