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单词 Key punch
释义

Key punch

原声例句
精选英语短文

Meiko's resilience was why Flandre was able to make the last key punch.

Meiko的韧性是Flandre能够打出最后一击的原因。

英语百科

Keypunch

Hollerith keyboard (pantograph) punch.
Keypunch operators at work at the U.S. Social Security Administration in the 1940s.
Hollerith's Keyboard (pantograph) Punch.  This photo is staged; the keyboard layout is for the Farm card (leftmost column is labeled

A keypunch is a device for precisely punching holes into stiff paper cards at specific locations as determined by keys struck by a human operator.

For Jacquard looms, the resulting punched cards were joined together to form a paper tape containing a program that, when read by a loom, directed its operation.

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更新时间:2025/6/23 21:19:06