短語詞組短語backward brush shift 逆轉(zhuǎn)向移刷Backward Shift Operator 算子;后移算子;[計]后向移位算子;反向移位運(yùn)算子weighted backward shift operator 加權(quán)后移位算子weighted backward shift operators 單邊加權(quán)移位算子the unilateral weighted backward shift 單邊后移位算子shift in backward order 依次后移 返回 backward shift