A. 20~2000 Hz
B. 200~20000 Hz
C. 20~20000 Hz
D. 200~200000 Hz
[单选题]人体能够感受到的声音频率是()A . 200~20000HzB . 20~20000HzC . 10~20000HzD . 10~25000HzE . 20~25000Hz
[单选题]人体能够感受到的声音频率是()A.200~20000HzB.20~20000HzC.10~20000HzD.10~25000HzE.20~25000H
[单选题]人耳能够感觉的声音频率范围是( )A.8HZ-1KHzB.200HZ—700KHzC.20-20KHzD.220HZ-101KHz
[单选题]人耳能够感觉的声音频率范围是( )A.8HZ-1KHzB.200HZ—700KHzC.20-20KHzD.220HZ-101KHz
[单选题]人耳能感受到的声音频率是A.200~20 000HzB.20~20 000HzC.2~20 000HzD.200~200 000HzE.20~200 000Hz
[单选题]人体能够感受到的声音频率是( )A.200~20000HzB.20~20000HzC.10~20000HzD.10~25000HzE.20~25000Hz
[单选题]人耳可闻的声音频率范围是()。A .10Hz~5kHzB .10Hz~15kHzC .20Hz~10kHzD .20Hz~20kHz
[单选题]人耳感觉声音频率范围()MHZ。A . 20-2000B . 20-20000C . 200-3000D . 200-4000
[单选题]人耳能听到的声音频率范围是()。A.20~20KHZB.50~10KHZC.20~10KHZD.50~20KHZ
[单选题]人耳可听到的声音频率范围是A.2~20HzB.10~20HC.5Hz至5kHzD.20Hz至20kHzE.20kHz以上