用“punch cards”造句大全，punch cards造句
Statistician Herman Hollerith used punch cards to tabulate data from the 1890 U.S. census.
"Though film, microfilms, punch cards, punch tapes, type recordings, holograms, and other devices preserve a large volume of information in small space, the information on them is available to human senses only through apparatus such as enlargers, readers, and amplifiers."
Drag onto the page to add data that is input by means of cards, such as punch cards or mark-sense forms.
The loom is controlled by a system of stiff punch cards and hooks.
An output unit that produces a record of data in the form of hole patterns in punch cards.
Data that is input by means of cards, such as punch cards or mark-sense forms.
