cladding non-circularity

例句：

1. 1. The shape of the planet is determined by its non-circularity.
   行星的形状由其非圆周率决定。
2. 2.The non-circularity of the orbit makes it difficult to predict the exact path of the spacecraft.
   轨道的非圆周率使得预测飞船的确切路径变得困难。
3. 3.The non-circularity of the planet's rotation affects the amount of sunlight received by the surface.
   行星的旋转非圆周率影响表面接收到的阳光量。