autumn circulation

例句：

1. 1. The study of autumnal circulation is crucial for understanding the seasonal changes in climate patterns.
   研究秋季循环对于理解气候模式的季节性变化至关重要。
2. 2. The research on autumnal circulation has led to new insights into the relationship between the Earth's atmosphere and its surroundings.
   关于秋季循环的研究已经揭示了地球大气与其周围环境之间关系的新见解。
3. 3. The autumnal circulation plays a significant role in determining the timing of the winter solstice.
   秋季循环在决定冬至时间方面起着重要作用。