说明：  该文档为近红外光谱定性分析软件V2.0的概要设计说明书，对该软件的层次划分、模块功能、数据结构、接口、出错处理和扩展性进行了设计，目的是让软件开发人员根据文档的内容进行程序开发，使设计的产品符合用户的需求，同时为测试人员提供参考。
(The document for the nir qualitative analysis software V2.0 profile design specifications, hierarchy and module of the software function, data structure, interface design, error handling, and extensibility, the goal is to make software developers, according to the content of the document for application development, make the design of the product conforms to the needs of users, at the same time provide a reference for the tester.)