punch card

释义

穿孔卡片；

Punch card
The Development of Punch Card Tabulation in the Bureau of the Census, 1890-1940 by Leon D. Truesdell
A punch card for abstracts of bacteriological papers.
Punch Card Technology and the Racial Gap in Residual Votes
The punch card and the hourglass
“Do Not Fold, Spindle or Mutilate”: A Cultural History of the Punch Card
Punch-card machinery
Punch card programmable microfluidics
A manual punch card system for recording, filing, and analyzing antibiotic sensitivity test results
Spectrometric Analysis Employing Punch Card Calculators