parabolic partial differential equation

例句：

1. 1. The parabolic shape of the mountain is breathtakingly beautiful.
   这座山的抛物线形状令人叹为观止。
2. 2. The parabolic motion of the planets is governed by their elliptical orbits.
   行星的抛物线运动由它们的椭圆轨道所控制。
3. 3. The parabolic equation describes a curve that opens upwards.
   抛物方程描述了一个开口向上的曲线。