The three research focuses are the main factor that constructs the object system of teaching material study.
这三个研究重心构成了教材研究对象系统的三大要素。
The new teaching material regards training students' communication ability as object, and to "say" it is the most direct communation means.
新教材以培养学生的交际能力为目的，而“说”是最直接的交际手段。
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。
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