淡淡蓝郁
high-frequency sound source
高频 high frequency
高频声波 high frequency sound wave
咝音,高频声畸变 sibilation
声源 acoustic source; sound source
单频声 single frequency sound
低频声 all-bottom sound
调频声 frequency-modulated sound
多频声impulsive sound; multiple tone; multitone
噪声源;声源 noise source
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