软件开发的标准过程包括六个阶段，而六个阶段需要编写的各类文件达14种之多，在每个阶段需要编写哪些文件，本文档详细介绍这些文件的主要内容。-The standard software development process consists of six stage, six stages of the various types of documents need to write up as many as 14 species, which in Meige stage of the pre