forty weepy weepy

短语

释义与例句

n.
  1. 1.

    The cryptanalysis of an Enigma message which was a continuation of a previous message sent at a known time.

    历史 计算机 工程 数学

词源

From a message whose plaintext began fortyweepyyweepy: German fort (“forth”), short for Fortsetzung (“continuation”) + weep, typewriter code for 23:30, the time of the previous message. Enigma machines had no number keys, so the letter y marked the letters to be interpreted as numbers.

来源:wiktionary