endometrical cycle

例句：

1. 1.The endometrical cycle of the earth's climate is influenced by solar radiation.
   地球气候的地质周期受到太阳辐射的影响。
2. 2.The study of this cycle helps us understand the Earth's evolution over millions of years.
   研究这个周期有助于我们理解数百万年来地球的演变。
3. 3. The researchers used data from satellites to calculate the length of the endometrical cycle.
   研究人员利用卫星数据计算了地质周期的长度。