词汇	选择器
释义	选择器医chooser；designator；selector；switch selector
随便看	direction-finder station direction finder zero alignment directionfinding direction finding direction finding location direction-finding location in multi-stations direction finding message direction-finding message direction-finding net direction finding network direction-finding network direction finding observation error direction finding picket direction-finding picket direction-finding direction finding accuracy direction finding ambiguity direction-finding and distance-measuring system direction finding and ranging direction-finding and ranging direction finding antenna direction-finding antenna direction finding apparatus direction-finding apparatus direction-finding baseline