随着学校的规模不断扩大，学生数量急剧增加，有关学生的各种信息量也成倍增长。面对庞大的信息量需要有学生管理系统来提高学生管理工作的效率。通过这样的系统可以做到信息的规范管理、科学统计和快速查询、修改、增加、删除等，从而减少管理方面的工作量。-With the schools have been expanding, the number of students increased dramatically, the amount of information about a variety of

This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods), Virtual power wireless sensor network coverage, A fluid manifold learning algorithm (good use).