古代密码田军锁人们都知道，军事信息的传递，对保真和保密，都有其特殊的严格要求。信息越重要，对保真和保密的要求程度就越高。这在古今中外都是一样的。现代国家，军事通讯各有自己成体系的人员与密码。中国古代历史上，早也有类似的这一套东西。并且，越是到后来，越... The ancient password Tian army lock people all know that the military information delivery, to fidelity and confidentiality, has its own special strict requirements. The more important information is, the higher the degree of fidelity and confidentiality requirements. This is the same at all times and in all countries. Modern countries, military communications have their own system of personnel and passwords. In ancient Chinese history, there was a similar set of things long ago. And, the more to later, the more ...