heteroclinic point

例句：

1. 1. The planetary system is characterized by its heteroclinic points.
   这个行星系统以其异极点而著称。
2. 2. The study of the heteroclinic points in this system is crucial for understanding its dynamics.
   研究该系统中的异极点对于理解其动力学至关重要。
3. 3. The researchers found that the heteroclinic points were responsible for the system's stability.
   研究人员发现，这些异极点是系统稳定性的原因。