文章从教学的知识基础出发，分析了学科教学知识以及学科教学认知概念的来源、内涵及特征。
From the beginning of knowledge basement for teaching, this paper analyzes the origin, connotation and feature of PCK and PCKg.
课堂总结的设计，必须符合学科教学的特点和学生认知规律的心理、生理特点。
It must be in keeping with teaching characteristic and students' psychological and physiological characteristic.
课堂总结的设计，必须符合学科教学的特点和学生认知规律的心理、生理特点。
It must be in keeping with teaching characteristic and students' psychological and physiological characteristic.
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