dynamic ellipticity of the earth

例句：

1. 1.The study of dynamic ellipticity is crucial for understanding the behavior of fluids in motion.
   研究动力椭圆性对于理解流体运动中的行为至关重要。
2. 2. The planet's dynamic ellipticity plays a significant role in its rotation and gravity.
   行星的动力椭圆性在其旋转和引力中起着重要作用。
3. 3. The discovery of dynamic ellipticity has revolutionized our understanding of black holes.
   发现动力椭圆性已经彻底改变了我们对黑洞的理解。