North China occluded front

例句：

1. 1. The North China occluded front is a significant geographic feature in the region.
   华北阻塞前缘是该地区的一个重要地理特征。
2. 2.The study of the North China occluded front has important implications for climate change research.
   研究华北阻塞前缘对气候变化研究具有重要意义。
3. 3.The front is responsible for blocking airflow and causing weather patterns to shift.
   这个前缘负责阻挡气流，导致天气模式发生变化。