cyclometer中文什么意思

n.
1.徊转计，转数表。
2.里程表。
3.圆弧测定器。

• cyclometer counter:    跳字计数器
• duty cyclometer:    负载循环计; 占空因数计
• ratchet cyclometer:    带有棘轮的转数表

百科释义

The cyclometer was a cryptologic device designed, "probably in 1934 or 1935," by Marian Rejewski of the Polish Cipher Bureau's German section (BS-4) to facilitate decryption of German Enigma ciphertext.Marian Rejewski, "Summary of Our Methods for Reconstructing ENIGMA and Reconstructing Daily Keys...