AFA (audio-frequency amplifier)
airbome audio frequency coder
airborne audio frequency coder
audio frequency
声频
音频
听音频率
声频音频
成音频率
音频放大器
声频截峰器
audio frequency aggregate signal
audio frequency amplification
audio frequency amplifier
声频放大器
音频放大器
音频数据流
声频增幅器
电阻耦合声频放大器
电感耦合声频放大器
变压器耦合声频放大器
Audio Frequency Amplifier VFA
audio frequency amplifying system
audio frequency and video frequency processing
audio frequency apparatus
audio frequency choke coil
audio frequency circuit
audio frequency compression
audio frequency control
audio frequency current