地轴进动演示与定量测量实验仪

摘要

It describes the precession of natural phenomena,the drawbacks of traditional demonstration instru-ment,introduces the improved precession instrument structure,each part of the name and meaning,and intro-duces its experimental content and innovation.%论述了地轴进动演示与定量测量实验仪的结构、各部位名称及物理含义；介绍了演示的自然现象，以及定量测量原理与测量公式推导；讨论了采用该实验仪进行定量测量思路、实验内容和创新知识点。