In computing, (a) to replace all the binary digits in a storage device by binary zeros, (b) to replace all hole patterns on a punched paper tape by holes in every position.

• 在计算技术中,(1)用二进制零替换存储设备中所有的二进制数;(2)在穿孔纸带上的每个位置上都穿孔,以代替所有的穿孔模式。