A special form of symmetric-key encryption system was proposed by the National Institute of Standards and Technology (NIST) and National Security Agency (NSA ).是什么意思_A special form of symmetric-key encryption system was proposed by the National Institute of Standards and Technology (NIST) and National Security Agency (NSA ).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句