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1引言时光荏苒,逝者如斯。虞先生已经离开我们11年了,但他老人家的音容笑貌仍时常浮现在眼前。今年是虞先生诞辰100周年,大家都纷纷准备纪念这位可亲可敬的老前辈。我也希望能够为此做点什么。承蒙赵渭江老师推荐,《物理》编辑部要我为杂志写一篇纪念虞先生的文章。作为他晚年的学生,我对他在年富力强的时期为物理学和物理教育界所做的大量工作和重要贡献,了解并不全面,只鳞片甲的,大都是听他的学生我的老师们讲
1 Introduction Time 荏 苒, deceased (Sri Lanka). Mr. Yu has left us for 11 years, but his old man’s voice and appearance often still appear in front of us. This year is the 100th anniversary of Mr. Yu’s birthday, and everyone is ready to commemorate this dear old predecessor. I also hope I can do something about it. Thanks to Zhao Weijiang teacher recommended, “Physics” editorial department for me to write a magazine to commemorate Mr. Yu article. As a student of his later years, I did not know much about the large amount of work and important contribution he had made to the physics and physics education in his prime, and only learned about his students. My teachers told me