摘要
本文根据中学地理教学的特点，选择《地球公转与四季变化》开展ＣＡＩ课件设计研究。实践证明了多媒体计算机辅助教学在教学中运用的必要性。
According to the characteristics of geography teaching at middle school, the authors made the design and research of the CAI software for “revolution of the earth and the change of seasons”. Practice has proved the necessity of the application of multimedia computer aided technology to teaching.
