By establishing dynamic demos, it helps students understand the concepts and phenomenon better and set up the thinking mode of field.Good results in teaching are achieved.

• 通过建立电磁场与电磁波课程中相关概念的实时动态演示，帮助学生更好地理解场与波的概念和现象，建立场的思维模式，在教学中取得了良好的效果。