对现行管理业务进行详细调查是了解系统需求和进行系统分析和设计的重要基础工作，因此要对学校的学生成绩管理工作进行全面、细致而充分的调查研究。系统调研采取的主要方法是到现场去，通过座谈、询问、观察甚至直接参与管理活动，自上而下、逐步细化的进行了解。-the existing management business to conduct thorough investigation is understanding of the system requirements and system analysis and design of the basic work, to school students in performance management conducted a comprehensive, detailed and full investigation into the matter. The research system is mainly to the field, through the forum, asked to observe or even directly involved in management activities, from top to bottom, and gradually understood the details.