短語詞組短語Background and interference 背景與乾擾background image interference 背景圖像乾擾background d interference 背景乾擾background interference procedure 背景乾擾程式anti -background interference 抗背景乾擾background interference elimination 背景噪音的消除background interference cancellation 背景對消background of strong interference 強(qiáng)乾擾背景filtering of background interference 背景乾擾過濾 返回 background interference