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贵刊2004年第12期刊登了一篇题为“如何理解多普勒效应引起的频率变化”的文章,该文从一个典型习题入手,分三种情况详细地分析了频率的变化,对理解诸如此类的问题起到很大的帮助作用.但笔者认为此法对“多普勒效应”的理解虽然有益,可是“多普勒效应”内容在高中属一般性了解,书中没有介绍相关的频率变化公式,授课时老师(至少绝大多数老师,除了竞赛班)也不会补充介绍.如果在平时的教学中,或高三总复习阶段为应付高考,要学生强行记忆,势必会加重学生的负担,其实在高考中出现此类问题时,也不一定
You published an article titled “How to Understand the Doppler Effect-induced Frequency Changes” in the 2004 issue of this article. Starting from a typical exercise, this article analyzes the frequency changes in three situations in detail to understand Problems such as this play a great role in helping. However, I believe that this method is beneficial to the understanding of the “Doppler effect,” but the content of the “Doppler effect” is generally understood in high school, and the relevant frequency is not described in the book. Change formula, when the teacher (at least most teachers, in addition to the competition class) will not be added to introduce. If in the usual teaching, or the third grade of the overall review stage to deal with the college entrance examination, to force the students to remember, it is bound to increase the burden on students In fact, when such problems occur in the college entrance examination, they are not necessarily