triaxial ellipsoid

例句：

1. 1. The triaxial ellipsoid model is used to simulate the Earth's rotation and gravity.
   三轴椭球体模型被用来模拟地球的旋转和重力。
2. 2. In geology, a triaxial ellipsoid can represent the shape of a rock or mineral.
   在地质学中，一个三轴椭球体可以代表岩石或矿物的形状。
3. 3.The triaxial ellipsoid model is often used in space exploration to predict the effects of gravity on objects in orbit.
   三轴椭球体模型经常用于太空探索，以预测引力对轨道上物体的影响。