霍夫曼编码一些简单应用 简单的将文本格式文章进行压缩和解压缩处理,Huffman coding some simple applications simple text format to compress and decompress the article dealing with

图书管理信息系统设计过程完整文档，包括数据库的设计和需求分析！及运用界面的显示。-Book management information system design process complete documents, including database design and needs analysis! And use the display interface.

学籍管理系统的需求分析。可作面向对象的需求分析实例-School management system needs analysis. Can be used for the needs of object-oriented analysis of examples