简单的英汉词典

用三层结构（界面层、事务处理层、数据层）编辑，实现了字典的添加、查找、背单词功能。关键在于三层结构的理解。-simple English-Chinese dictionary with the three-tier structure (the interface layer, business layer, data layer) editing, Implementation of the dictionary to add that you back the word functional. The key lies in the understanding of the three-tier structure.