基于VB开发环境的疾病诊断专家系统，可供医院等研究单位试用-expert system of disease diagnosis developed by visual basic

针对故障诊断专家系统实用性与通用性的矛盾，在简要分析专家系统工作原理的基础上， 提出了一种以用户为中心的通用性故障诊断专家系统设计方案。-Fault Diagnosis Expert System for practicality and versatility of the conflict, in a brief analysis of expert system based on the principle, a universal user-centric nature of fa

用Java模拟流密码加密解密，实现了秘钥流生成器-Simulation using Java stream cipher encryption and decryption, to achieve a secret key stream generator