punch card造句怎么写

The loom is controlled by a system of stiff punch cards and hooks.

"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."

Both the attendance machine and external card reader are mounted on the wall. A mental wall or gate will shorten greatly the distance to punch card, even make it unable to work.

Hangzhou Gudang 20 to March 2, the other students can punch card votes in it?

Statistician Herman Hollerith used punch cards to tabulate data from the 1890 U.S. census.