第二、组织概念构图教学实践活动并开展相关调查，以检验和完善该教学模式。
Secondly, organizing a concept mapping instruction practice and make a survey on the concept mapping instruction for promoting reflection, so as to check up and perfect the instructional model.
本文从视觉思维的概念出发，探讨机械结构图教学过程中教学内容的表现形式与视知觉有效性相关的问题。
Based on the concept of visual thinking, the effectiveness of visual perception and the representation of teaching content are discussed in the classroom instruction for mechanical structure drawing.
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