说明：  列出本月内进行的各项主要活动，并且说明本月内遇到的重要事件，这里所说的重要事件是指一个开发阶段（即软件生存周期内各个阶段中的某一个，例如需求分析阶段）的开始或结束，要说明阶段名称及开始（或结束）的日期。
(Listed within this month, the major activities, and describes important events encountered this month, important events mentioned here refers to a development phase (ie, all phases of software life cycle in one, such as needs analysis stage) the beginning or end, stage name and began to explain (or end) date.)