笔者有幸拜读了贵刊2002年第七八期合刊鲁国政等老师关于《超重失重演示器的改进》一文,受到一定的启发。笔者经过操作该演示实验并作了一些研究,现谈一谈笔者的改进意见。一方面,正如鲁国政老师所说:传统超重失重演示器太小,课堂演示效果不明显;另一方面,新的物理课程标准要求 The author was privileged to read the article on “Improvement of Overweight and Weightless Demonstrators” published by your teacher Kang Guojun in the 78th issue of the magazine in 2002 and was inspired by certain things. After the author has operated the demonstration experiment and made some researches, I will now talk about the author’s suggestions for improvement. On the one hand, just as Lu Guozheng said: Traditional demonstrators of overweight and weightlessness are too small and the effect of classroom presentation is not obvious; on the other hand, the new physics curriculum standards require