她给总部发出密码电报。
这是密码电报。
1832年摩斯为电报系统勾画出了轮廓,1835年他研制出一套代表字母和数字的代码(摩斯密码)。
In 1832 Samuel F. B. Morse made sketches of ideas for a system of electric telegraphy, and in 1835 he developed a code to represent letters and Numbers (Morse code).
由于在空袭中工作屡屡停顿,密码部门积压了许多未译的电报。
Owing to the recurrent stoppages of work through the air raids, arrears had accumulated in the cipher branch .
由于在空袭中工作屡屡停顿,密码部门积压了许多未译的电报。
Owing to the recurrent stoppages of work through the air raids, arrears had accumulated in the cipher branch .
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