From the history of mathematics education, teachers in the ancient time were the primeval designers, practitioners and researchers of the curriculum.

从数学教育史的角度看，我国古代教师是一种原始状态下的课程设计者、实践者、研究者；

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From the history of mathematics education, teachers in the ancient time were the primeval designers, practitioners and researchers of the curriculum.

从数学教育史的角度看，我国古代教师是一种原始状态下的课程设计者、实践者、研究者；

youdao