单词 | hand-punching |
释义 | hand-punching/ˈhandˌpʌn(t)ʃɪŋ/Now chiefly historical noun The manual punching of holes by hand, especially in a particular pattern in card or paper, to represent information. OriginMid 19th century; earliest use found in Charles Babbage (1791–1871), mathematician and computer pioneer. From hand + punching, after hand punch. |
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