單項(xiàng)選擇題人耳能感覺到的聲波頻率范圍為()
A.20~1000Hz
B.20~2000Hz
C.20~4000Hz
D.20~8000Hz
E.20~20000Hz
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A.20~1000Hz
B.20~2000Hz
C.20~4000Hz
D.20~8000Hz
E.20~20000Hz
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