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1·This article introduces the teaching experience of using common realia and learning tools to do physics demonstration experiment.

介绍了运用常规教具、学具做物理演示实验的教学经验，可供参考。

2·This article introduces the exploitation design thoughts and the structure functions of the realia of the new mathematics system.

介绍了新数学教具的开发设计理念和结构功能。

3·This article researches the meanings, functions and methods of developing self-made realia action and introduces successful experience.

对农村中小学开展自制教具活动的意义，作用和方式方法进行较全面的研究和探索，介绍了成功的经验。

4·Making transmission projection experimental realia of Ohmmeter is convenient for teaching Ohm-meter measurement principle with the aid of projector.

制作欧姆表透射投影教具，可便于结合投影仪进行欧姆表测量原理的教学。

5·Objective To design and fabricate realia circuit for rotary anode startup experiment. It is convenient demonstrate the experiment and experimental data.

目的：设计旋转阳极启动电路并制作实验教具，方便直观地对学生示教此项实验内容及测试有关实验数据。