排课问题实质上是时间、教师、班级、教室、课程这五维关系的冲突问题，要合理的解决这个问题首先要了解排课中的一些基本原则以及排课的一些基本要求。-Course Scheduling is essentially time, teachers, classes, classrooms, courses that the five-dimensional conflict, a reasonable solution to this problem we must first understand th