论分光仪实验中望远镜的调整技巧

On the adjustment technique of the telescope in the experiment of the spectrometer

分析《大学物理》中“分光计实验中望远镜的调整技巧”文章中所介绍的方法，对不妥之处提出商榷，并介绍在望远镜目镜中观察不到反射“十”字像时，望远镜的调整技巧．

The paper analyzed the methods presented in the article College Physics ＂On the adjustment technique of the telescope in the experiment of the spectrometer＂ , offered corrections to some mistakes, and introduced the adjustment techniques when the reflected cross was not visible in experiments.