Chapter two, Theoretical Basis of CT, the theoretical fundamentals of using IT as cognitive tools, contains of the constructivist learning theory, Distributed Cognition Theory and a typical viewpoint of technology in education, i. e. Learning with IT.
第二章 认知工具的理论基础:论述了信息技术作为认知工具应用的理论基础——建构主义学习理论、分布式认知和用技术学习(learn with IT)的技术应用观。
参考来源 - 认知工具的理论与教学应用研究Chemical cognitive tools such as database of three-dimensioned molecule model and chemical experiments are urgently needed in the education of high school.
中学化学教学中迫切需要像三维分子数据库和化学实验数据库等化学认知工具。
参考来源 - 基于网络的化学认知工具开发和实践·2,447,543篇论文数据，部分数据来源于NoteExpress
We must be handed the cognitive tools of numbers before we can consistently and easily recognize higher quantities.
我们必须掌握数字的认知工具，才能始终轻松识别更大的数量。
Chemical cognitive tools such as database of three-dimensioned molecule model and chemical experiments are urgently needed in the education of high school.
中学化学教学中迫切需要像三维分子数据库和化学实验数据库等化学认知工具。
Indeed, work with some other species suggests they too can refine their quantitative thought if they are introduced to the cognitive power tools we call numbers.
事实上，对其他一些物种的研究表明，如果引入我们称之为数字的认知工具，它们也可以完善自己的定量思维。
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