太阳系各行星都处在行星演化进程的不同阶段，具有不同的特征。

Each planet in the solar system in different stages of the evolution process of the planet, with different characteristics.

youdao

一开始的气体行星演化为贝斯平，这个当地的外星居民则进化为乌格瑙特人。

As the primordial Gas Planet evolved into Bespin, so too did its native alien inhabitants evolve into the Ugnaughts.

youdao

一个航天器被发射到太阳系内被最少探测到的岩石质行星(水星)，它正在提供的新信息令人惊叹，其可能改写科学家对行星演化的认识。

A spacecraft sent to the least explored rocky planet in the solar system is providing surprising new information that may rewrite what scientists believe about the growth of planets.

youdao

Then again, you will find the evolution of the planetary motion, because the rate of change of the rate of the change of the position is connected to the position.

同样地,这就是行星运动的演化过程,因为行星位移的变化率的变化率,与它的位移有关

耶鲁公开课 - 基础物理课程节选