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单词
audio frequency
释义
audio frequency
n.
(名词)
abbr.
AF
【缩写】
A range of frequencies, usually from 15 hertz to 20,000 hertz, characteristic of signals audible to the normal human ear.
音频,声频:频率的范围,大约在15至20,000赫兹之间,是正常耳可听见的声波信号
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IAS
-ias
-iases
-iasis
IATA
-iatric
-iatrical
-iatrics
-iatries
iatrogenic
-iatry
IAU
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IB
ib.
IBA
Ibadan
Ibagué
Ibaraki
IBD
I-beam
Iberia
Iberian
Iberian Peninsula
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更新时间:2026/9/20 10:18:30