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ji ji zu zhi xue sheng can yu yan shi shi yan
Pages: 17-18
Year: Issue:  3
Journal: Experiment and Equipment for Primary School

Abstract:  演示实验是化学教学中的一个重要教学手段,让学生主动参与演示实验,既满足了学生对演示实验的好奇心,又有利于集中学生的注意力和观察能力,它是实施素质教育的有效途径.
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