Angular perturbations tend to increase instead of decrease.

角扰动倾向于增加而不是减少。

Planetary perturbations make the earth's orbit about the sun irregular.

行星的摄动使得地球绕太阳的轨道是不规则的。

Under the action of universal gravitational forces the small perturbations will grow.

在万有引力的作用下，小扰动会加强。

Initial perturbations scheme is one of the important problems in the ensemble prediction.

初始扰动方案是集合预报研究的核心问题之一。

If you can modulate it with a few simple perturbations, that's the definition of a program.

我们能施加一些简单的干预，从而对它进行调节——这就是程序。