短語詞組短語Background and interference 背景與干擾background image interference 背景圖像干擾background d interference 背景干擾background interference procedure 背景干擾程式anti -background interference 抗背景干擾background interference elimination 背景噪音的消除background interference cancellation 背景對消background of strong interference 強干擾背景filtering of background interference 背景干擾過濾 返回 background interference