短語詞組短語amplifier automatic gain control 放大器自動增益控制amplifier r gain control 放大器增益控制amplifier r gain 放大器增益Multichannel amplifier with gain matching 發(fā)明名稱amplifier gain control [電子]放大器增益控制Amplifier gain versus frequency 典型頻率特性曲線amplifier gain characteristic 放大器增益特性amplifier gain precision 增益精度 返回 amplifier gain