1. 擦除器：而且要采用较强的纠错内码和良好的信道估计系统. 此外,DVB-T还需要至少高达7dB的信号强度,才能处置高达0dB的各种回波. 为改进性能,DVB-T采用了擦除器(Eraser)技术的软判决解码过程,使DVB-T 2k(1705个载波)系统能承受高达数百赫兹的移动回波.

2. 蒸发密令：华纳本周还宣布了新一波的老片蓝光碟发行信息,这次主打的是动作片,<蒸发密令>>(Eraser)<恐怖地带>>(Outbreak)<暴走潜龙>>(Under Siege 2)<永不低头>>(Every Which Way But Loose)<铁手套>>(The Gauntlet)五部影片均将于9月2日上市,

1. 橡皮擦;黑板擦
    An eraser is an object, usually a piece of rubber or plastic, which is used for removing something that has been written using a pencil or a pen.

eraser

    e.g. ...a large, flat, pink India-rubber eraser.
           一大块粉红色的扁平橡皮擦

1. an implement used to erase something