The teacher builds up scaffolding for learners, with the help of the random access of the hypertext to overcome the constraints of printed texts.
教师从知识传授者变成建立关联的脚手架搭建者，并通过利用计算机可随机存取的超文本特性来克服纸质材料线性呈现的局限性。
The teacher builds up scaffolding for learners, with the help of the random access of the hypertext to overcome the constraints of printed texts.
教师从知识传授者变成建立关联的脚手架搭建者，并通过利用计算机可随机存取的超文本特性来克服纸质材料线性呈现的局限性。
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