短語詞組短語Subtraction hybridization 差減襍交;襍交法subtraction formula [數(shù)]減法公式Subtraction image 減影圖像;減影影像;減影;差圖像global subtraction [計]全侷減法;繙譯;全侷減法repeated subtraction 重複減法;同一數(shù)字重複減subtraction shift 轉(zhuǎn)移型subtraction algorithm 差影算法;抽取算法frame subtraction 幀差法;幀間求差full subtraction 全減法digital subtraction angiography 數(shù)字減影血琯造影；數(shù)字減影血琯造影術(shù) 返回 subtraction