Callippic cycle

例句：

1. 1.The Callippic cycle is a model that describes the Earth's rotation around its axis.
   卡利皮克周期是一种描述地球绕其轴旋转的模型。
2. 2.This cycle repeats every 26,000 years, which is the time it takes for the Sun to complete one full orbit around the Earth.
   这个周期每26,000年重复一次，这是太阳完成一个完整轨道环绕地球所需的时间。
3. 3. The Callippic cycle has been used to study the effects of climate change on the environment.
   卡利皮克周期被用来研究气候变化对环境的影响。