最近 ,笔者对新、旧教材进行对比分析时 ,发现了一处新、旧教材中变动比较大的地方 ,那就是对“受迫振动的频率及共振条件”的叙述 ,而这种变动使新教材的叙述比旧教材的叙述更加准确 ,更加具有科学性 ,笔者见解如下 :一、新旧教材对“受迫振动的频率及共振条件”的叙述原高级 Recently, when the author conducted a comparative analysis of old and new textbooks, he found a place where there was a large change in the old and new textbooks. That was the description of “the frequency and resonance conditions of forced vibrations”. This change made new The narrative of the teaching material is more accurate and more scientific than the narrative of the old teaching material. The author’s opinions are as follows: 1. The narrative of the old and new teaching materials on the “frequency and resonant conditions of forced vibration”