a technician in charge of amplifying sound or producing sound effects (as for a TV or radio broadcast)
amplifying coefficient
[电] 放大系数
amplifying delay line
[电] 放大延迟线
amplifying element
[化] 放大环节
amplifying power
[电] 放大功率
amplifying tube
[电] 放大管
electromagnetic amplifying lens
[计] 电磁放大透镜
reamplifying
再放大; 重复放大