[电] instantaneons automatic gain control, instantaneous automatic gain control

shùn shí zì dòng zēng yì kòng zhì ㄕㄨㄣˋ ㄕˊ ㄗˋ ㄉㄨㄥˋ ㄗㄥ ㄧˋ ㄎㄨㄥˋ ㄓˋ