一个编写良好的技术文档在项目中能够很好地建立沟通与协作，起到很积极的作用。因此，编写技术文档也就成为了程序员技能提升的很重要的一面。-A good technical document prepared by the project to establish a good communication and collaboration, has played a very active role. Therefore, the preparation of technical documentation has become a programmer to upgrade the skills of a very important aspect.