The paper presents an introduction to the practical application of the 3 audio - visual object teaching methods (material object, demonstration and analogue image) for technical courses.
本文介绍了实物直观、演示直观、模象直观三种直观教学法在电子技术课教学中的具体运用。
The demonstration and analysis of two cases presents the teaching material construction system and analyzes the latent significance of the teaching material to the student.
通过二个案例展示及分析，呈现教材建构体系，分析教材对学生具有潜在意义。
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