摘要
本文从投影教学的特点和作用出发 ,指出教师开展投影教学应具备的知识 ,并分析了教师在投影教学过程中存在的问题及纠正这些问题的方法 .
The article points out the teachers'knowledge in projection teaching from its characteristics and functions and analyzed the problems which exist in teaching process. It also puts forward some methods of correcting the mistakes.