A.20~1000Hz
B.20~2000Hz
C.20~4000Hz
D.20~8000Hz
E.20~20000Hz
[单选题]人耳能感觉到的声波频率范围为()A . 20~1000HzB . 20~2000HzC . 20~4000HzD . 20~8000HzE . 20~20000Hz
[单选题]人耳能感觉到的声波频率范围为()A .20~1000HzB .20~2000HzC .20~4000HzD .20~8000HzE .20~20000Hz
[单选题]人耳能感觉到的声波频率范围为()A.20~1000HzB.20~2000HzC.20~4000HzD.20~8000HzE.20~20000Hz
[单选题]人耳能感觉到的声频范围是()A . <20HzB . 20~20000UHzC . >20000HzD . 200~2000HzE . >2000Hz
[单选题]人耳能感觉到的声频范围是A.<20HZB.20~20 000HzC.>2 000HZD.>20 000HZE.200~20 000HZ
[单选题]人耳能感觉到的声频范围是A.<20HzB.20~20000UHzC.>20000HzD.200~2000HzE.>2000Hz
[单选题]人耳能感觉到的声频范围是A.<20HzB.20~20000UHzC.>20000HzD.200~2000HzE.>2000Hz
[单选题]人耳能感觉到的声频范围是()。A . <20HzB . 20~20000UHzC . >20000HzD . 200~2000HzE . >2000Hz
[单选题]人耳能感觉到的声频范围是A.<20HzB.20~20000HzC.>20000HzD.200~2000HzE.>2000Hz
[单选题]人耳能感觉到的声频范围是A.<20HzB.20~20000HzC.>20000HzD.200~2000HzE.>2000Hz