论文部分内容阅读
简谐运动比较复杂,尤其是要注意简谐运动过程中具有周期性和对称性.1.不忘周期性,避免漏解
The harmonic motion is more complex, especially the harmonic and periodical symmetries in the harmonic motion. 1. Do not forget the periodicity and avoid the leakage.