我们敬受的导师徐丰彦教授与世长辞了;但他的光辉形象永远留在我们心中,他的爱国、正直、勤奋、坚持真理等高尚品质已铭刻在我们脑中,永远是我们学习的榜样。50年代我刚进教研室时,总感到徐教授很威严,工作上一丝不苟,生活上却很俭朴。他为了指导我们年轻人做教学准备实验或科研,常常午餐就吃一块大饼,一卷水果糖。对我们的工作严格要求,让我们反复试验, Professor Xu Fengyan, the teacher whom we admire, has lived forever. However, his glorious image will always remain in our hearts. His noble qualities of patriotism, integrity, diligence and truth are inscribed in our minds and will always be examples for us to study. When I first came to the teaching room in the 1950s, I always felt that Professor Xu was very dignified, meticulous in his work, and very frugal in his life. In order to guide our young people in teaching and preparing for experiments or scientific research, he often ate a piece of cake and a roll of fruit sugar for lunch. Strict requirements of our work, let us repeatedly test,