英语词汇“keypunch”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	keypunch
释义	keypunch in American English (ˈkiˌpʌntʃ) noun 1. Also: key punch. Also called: card punch a machine, operated by a keyboard, for coding information by punching holes in cards or paper tape in specified patterns transitive verb 2. to punch holes in (a punch card or paper tape), using a keypunch 3. to insert (data) into a computer by means of a keypunch to keypunch code numbers Derived forms keypuncher noun Word origin [1930–35; key1 + punch1]
随便看	carbon copy carbon-copy carbon credit carbon-credit carbon cycle carbon-date carbon dating carbon dioxide carbon dioxide snow carbon disulfide carbon disulphide carbonette carbon fiber carbon fibre carbon fixation carbon footprint carbonic carbonic acid carbonic-acid gas carbonic anhydrase carboniferous carbonisation carbonise carboniser carbonium

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keypunch in American English