| 单词 | keypunching | 
| 释义 | keypunchingn. Now chiefly historical.   The punching of holes or notches in card or paper tape by means of a keypunch; the use of a keypunch. ΘΚΠ society > computing and information technology > hardware > secondary storage > 			[noun]		 > punch card or tape > punching of holes in field1903 keypunching1913 summary punching1935 tape-punching1951 over-punching1958 1913    Electr. Rev. 13 Sept. 516/2  				The key-punching and end-gang punching machines used in perforating cards, are sold outright at $75 each. 1954    Jrnl. Assoc. Computing Machinery 1 155/1  				The punched-card input makes it possible to use key-punching and verifying techniques. 1965    L. E. Foster Telemetry Syst. iv. 221  				Card-handling equipment provides keypunching, verifying, sorting..and listing services. 2010    M. J. Ulissey Cabinda Incident viii. 95  				Andy took a break from keypunching to see how Rick and I were doing. This entry has been updated (OED Third Edition, December 2012; most recently modified version published online March 2022). <  | 
	
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