说明：  学生信息管理系统是一个教育单位不可缺少的部分,它的内容对于学校的决策者和管理者来说都至关重要,所以学生信息管理系统应该能够为用户提供充足的信息和快捷的查询手段。
(Student Information Management System is an educational unit an indispensable part of the content of its policy-makers and managers of schools is a crucial element of information management systems so students should be able to provide users with adequate information and means of quick query.)