The physically demonstrative experiments have Characteristics of image, intuition and interest.
物理演示实验具有形象、直观、趣味性强等特点。
We should make rational, correct use of demonstrative experiments and creat good conditions for effective physics teaching in middle schools.
合理、正确的利用演示实验，为有效进行中学物理教学创造良好的条件。
We should make rational, correct use of demonstrative experiments and creat good conditions for effective physics teaching in middle schools.
合理、正确的利用演示实验，为有效进行中学物理教学创造良好的条件。
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