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jia qiang wu li yan shi shi yan pei yang xue sheng xue xi neng li
Pages: 9
Year: Issue:  3
Journal: Experiment and Equipment for Primary School

Abstract:  教师通过演示实验或组织学生亲手实验操作活动,能把书本知识由微观变为宏观,把抽象变成具体,变无形为有形,使学生易于获取多方面知识,巩固学习成果,培养学生的各种能力.
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