This historical text devotes itself to codes and code language, as opposed to ciphers and ciphertext. Text includes definitions, origin of codes and their introduction into telegraphy, origin of the principle of the two- letter differential, birth of the five-letter codes, code language regulations and cryptographic apparatus.
評分
評分
評分
評分
本站所有內容均為互聯網搜索引擎提供的公開搜索信息,本站不存儲任何數據與內容,任何內容與數據均與本站無關,如有需要請聯繫相關搜索引擎包括但不限於百度,google,bing,sogou 等
© 2025 qciss.net All Rights Reserved. 小哈圖書下載中心 版权所有