seasonal variations

• 季节变化

seasonal variations的用法和样例：

例句

1. Precipitation has obvious seasonal wind direction changes.
   降水风向有明显的季节变化。
2. In the model domain,the surface currents of the SCS have the closest relations with the monsoon with an apparent seasonal variation.
   在所模拟的海区中，南海海区表层海流与季风关系最密切，季节变化最明显。