短語詞組短語high density recording performance 高密度錄放特性high -density digital recording 高密度數(shù)字記錄high density recording 高密度記錄serial high -density recording 串行高密度記錄ultra -high density recording 高密度磁盤存儲high density holographic recording 高密度全息存儲high density multitrack recording 高密度多軌記錄High density magnetic recording 高密度磁記錄 返回 high recording density