结构，对一部录像教材来说是教材构成的重要因因素。在确定选题、明确主题、分析题材之后，结构设计就成为音像教材制作的关键。因此，在制作音像教材时，必须使音像教材与文字教材配套，能够在课堂教学过程中参与教学对象对知识的分析、综合、抽象和概括的思维活动；帮助教学 The structure is an important factor in the composition of a video teaching material. After the selection of topics, clear themes, and analysis of themes, structural design has become the key to the production of audiovisual materials. Therefore, in the production of audio-visual teaching materials, it is necessary to make audio-visual teaching materials and text teaching materials, and to participate in the analysis, synthesis, abstraction and generalization of thinking activities of teaching objects in the classroom teaching process;