1972年，美国的教育传播与技术协会发表的教育技术定义是整体教育技术正式形成的标志。
The 1972's definition which Association of educational Communication and technology is the mark of the formation of integrated educational technology.
1972年，美国的教育传播与技术协会发表的教育技术定义是整体教育技术正式形成的标志。
The 1972's definition which Association of educational Communication and technology is the mark of the formation of integrated educational technology.
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