This is one of the oldest ( and easiest to solve) cryptograms, a necessity to decipher for any potential NSA cryptographer. 这是最古老的加密方式之一(也是最容易破译的),任何一个有潜力成为美国安全局加密高手的人都必须会破译。
The estimation of the time to break the cryptograms shows that it will take too much time with the aid of available computer technology. 对破密时间的估算表明,利用现有计算机技术所需的破密时间极长。
Teachers are both creators of the Utopia and the helpers of undoing cryptograms. 教师既是乌托邦的创造者,也应该成为解开现时密码的有力助手;